diff --git a/package.json b/package.json
index bf414af..6d163b8 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "autoprefixer": "^8.0.0",
     "extract-text-webpack-plugin": "^3.0.0",
     "postcss-loader": "^2.0.6",
-    "webpack": "^3.0.0",
+    "webpack": "^4.0.0",
     "webpack-handle-css-loader": "^2.0.1"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index e82786a..72ffba3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -38,6 +38,12 @@ acorn-dynamic-import@^2.0.0:
   dependencies:
     acorn "^4.0.3"
 
+acorn-dynamic-import@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/acorn-dynamic-import/-/acorn-dynamic-import-3.0.0.tgz#901ceee4c7faaef7e07ad2a47e890675da50a278"
+  dependencies:
+    acorn "^5.0.0"
+
 acorn-globals@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/acorn-globals/-/acorn-globals-4.1.0.tgz#ab716025dbe17c54d3ef81d32ece2b2d99fe2538"
@@ -62,7 +68,7 @@ acorn@^5.0.0, acorn@^5.3.0, acorn@^5.4.0:
   version "5.4.1"
   resolved "https://registry.npmjs.org/acorn/-/acorn-5.4.1.tgz#fdc58d9d17f4a4e98d102ded826a9b9759125102"
 
-ajv-keywords@^2.0.0, ajv-keywords@^2.1.0:
+ajv-keywords@^2.1.0:
   version "2.1.1"
   resolved "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-2.1.1.tgz#617997fc5f60576894c435f940d819e135b80762"
 
@@ -77,7 +83,7 @@ ajv@^4.9.1:
     co "^4.6.0"
     json-stable-stringify "^1.0.1"
 
-ajv@^5.0.0, ajv@^5.1.0, ajv@^5.1.5, ajv@^5.2.3, ajv@^5.3.0:
+ajv@^5.0.0, ajv@^5.1.0, ajv@^5.2.3, ajv@^5.3.0:
   version "5.5.2"
   resolved "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz#73b5eeca3fab653e3d3f9422b341ad42205dc965"
   dependencies:
@@ -162,7 +168,7 @@ append-transform@^0.4.0:
   dependencies:
     default-require-extensions "^1.0.0"
 
-aproba@^1.0.3:
+aproba@^1.0.3, aproba@^1.1.1:
   version "1.2.0"
   resolved "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz#6802e6264efd18c790a1b0d517f0f2627bf2c94a"
 
@@ -521,6 +527,10 @@ block-stream@*:
   dependencies:
     inherits "~2.0.0"
 
+bluebird@^3.5.1:
+  version "3.5.1"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.1.tgz#d9551f9de98f1fcda1e683d17ee91a0602ee2eb9"
+
 bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.4.0:
   version "4.11.8"
   resolved "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
@@ -612,6 +622,23 @@ braces@^2.3.0:
     split-string "^3.0.2"
     to-regex "^3.0.1"
 
+braces@^2.3.1:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/braces/-/braces-2.3.1.tgz#7086c913b4e5a08dbe37ac0ee6a2500c4ba691bb"
+  dependencies:
+    arr-flatten "^1.1.0"
+    array-unique "^0.3.2"
+    define-property "^1.0.0"
+    extend-shallow "^2.0.1"
+    fill-range "^4.0.0"
+    isobject "^3.0.1"
+    kind-of "^6.0.2"
+    repeat-element "^1.1.2"
+    snapdragon "^0.8.1"
+    snapdragon-node "^2.0.1"
+    split-string "^3.0.2"
+    to-regex "^3.0.1"
+
 brorand@^1.0.1:
   version "1.1.0"
   resolved "https://registry.npmjs.org/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
@@ -723,6 +750,24 @@ bytes@3.0.0:
   version "3.0.0"
   resolved "https://registry.npmjs.org/bytes/-/bytes-3.0.0.tgz#d32815404d689699f85a4ea4fa8755dd13a96048"
 
+cacache@^10.0.1:
+  version "10.0.4"
+  resolved "https://registry.yarnpkg.com/cacache/-/cacache-10.0.4.tgz#6452367999eff9d4188aefd9a14e9d7c6a263460"
+  dependencies:
+    bluebird "^3.5.1"
+    chownr "^1.0.1"
+    glob "^7.1.2"
+    graceful-fs "^4.1.11"
+    lru-cache "^4.1.1"
+    mississippi "^2.0.0"
+    mkdirp "^0.5.1"
+    move-concurrently "^1.0.1"
+    promise-inflight "^1.0.1"
+    rimraf "^2.6.2"
+    ssri "^5.2.4"
+    unique-filename "^1.1.0"
+    y18n "^4.0.0"
+
 cache-base@^1.0.1:
   version "1.0.1"
   resolved "https://registry.npmjs.org/cache-base/-/cache-base-1.0.1.tgz#0a7f46416831c8b662ee36fe4e7c59d76f666ab2"
@@ -880,6 +925,14 @@ chokidar@^2.0.0:
   optionalDependencies:
     fsevents "^1.0.0"
 
+chownr@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.0.1.tgz#e2a75042a9551908bebd25b8523d5f9769d79181"
+
+chrome-trace-event@^0.1.1:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/chrome-trace-event/-/chrome-trace-event-0.1.2.tgz#90f36885d5345a50621332f0717b595883d5d982"
+
 ci-info@^1.0.0:
   version "1.1.2"
   resolved "https://registry.npmjs.org/ci-info/-/ci-info-1.1.2.tgz#03561259db48d0474c8bdc90f5b47b068b6bbfb4"
@@ -987,6 +1040,14 @@ combined-stream@^1.0.5, combined-stream@~1.0.5:
   dependencies:
     delayed-stream "~1.0.0"
 
+commander@~2.13.0:
+  version "2.13.0"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.13.0.tgz#6964bca67685df7c1f1430c584f07d7597885b9c"
+
+commondir@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/commondir/-/commondir-1.0.1.tgz#ddd800da0c66127393cca5950ea968a3aaf1253b"
+
 component-emitter@^1.2.1:
   version "1.2.1"
   resolved "https://registry.npmjs.org/component-emitter/-/component-emitter-1.2.1.tgz#137918d6d78283f7df7a6b7c5a63e140e69425e6"
@@ -1013,7 +1074,7 @@ concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
 
-concat-stream@^1.6.0:
+concat-stream@^1.5.0, concat-stream@^1.6.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.0.tgz#0aac662fd52be78964d5532f694784e70110acf7"
   dependencies:
@@ -1085,6 +1146,17 @@ cookie@0.3.1:
   version "0.3.1"
   resolved "https://registry.npmjs.org/cookie/-/cookie-0.3.1.tgz#e7e0a1f9ef43b4c8ba925c5c5a96e806d16873bb"
 
+copy-concurrently@^1.0.0:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/copy-concurrently/-/copy-concurrently-1.0.5.tgz#92297398cae34937fcafd6ec8139c18051f0b5e0"
+  dependencies:
+    aproba "^1.1.1"
+    fs-write-stream-atomic "^1.0.8"
+    iferr "^0.1.5"
+    mkdirp "^0.5.1"
+    rimraf "^2.5.4"
+    run-queue "^1.0.0"
+
 copy-descriptor@^0.1.0:
   version "0.1.1"
   resolved "https://registry.npmjs.org/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
@@ -1205,6 +1277,10 @@ currently-unhandled@^0.4.1:
   dependencies:
     array-find-index "^1.0.1"
 
+cyclist@~0.2.2:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/cyclist/-/cyclist-0.2.2.tgz#1b33792e11e914a2fd6d6ed6447464444e5fa640"
+
 d@1:
   version "1.0.0"
   resolved "https://registry.npmjs.org/d/-/d-1.0.0.tgz#754bb5bfe55451da69a58b94d45f4c5b0462d58f"
@@ -1301,6 +1377,13 @@ define-property@^1.0.0:
   dependencies:
     is-descriptor "^1.0.0"
 
+define-property@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/define-property/-/define-property-2.0.2.tgz#d459689e8d654ba77e02a817f8710d702cb16e9d"
+  dependencies:
+    is-descriptor "^1.0.2"
+    isobject "^3.0.1"
+
 del@^2.0.2:
   version "2.2.2"
   resolved "https://registry.yarnpkg.com/del/-/del-2.2.2.tgz#c12c981d067846c84bcaf862cff930d907ffd1a8"
@@ -1446,6 +1529,15 @@ duplexer3@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/duplexer3/-/duplexer3-0.1.4.tgz#ee01dd1cac0ed3cbc7fdbea37dc0a8f1ce002ce2"
 
+duplexify@^3.4.2, duplexify@^3.5.3:
+  version "3.5.3"
+  resolved "https://registry.yarnpkg.com/duplexify/-/duplexify-3.5.3.tgz#8b5818800df92fd0125b27ab896491912858243e"
+  dependencies:
+    end-of-stream "^1.0.0"
+    inherits "^2.0.1"
+    readable-stream "^2.0.0"
+    stream-shift "^1.0.0"
+
 ecc-jsbn@~0.1.1:
   version "0.1.1"
   resolved "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.1.tgz#0fc73a9ed5f0d53c38193398523ef7e543777505"
@@ -1480,6 +1572,12 @@ encodeurl@~1.0.1:
   version "1.0.2"
   resolved "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
 
+end-of-stream@^1.0.0, end-of-stream@^1.1.0:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.1.tgz#ed29634d19baba463b6ce6b80a37213eab71ec43"
+  dependencies:
+    once "^1.4.0"
+
 enhance-visitors@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/enhance-visitors/-/enhance-visitors-1.0.0.tgz#aa945d05da465672a1ebd38fee2ed3da8518e95a"
@@ -1495,6 +1593,14 @@ enhanced-resolve@^3.4.0:
     object-assign "^4.0.1"
     tapable "^0.2.7"
 
+enhanced-resolve@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/enhanced-resolve/-/enhanced-resolve-4.0.0.tgz#e34a6eaa790f62fccd71d93959f56b2b432db10a"
+  dependencies:
+    graceful-fs "^4.1.2"
+    memory-fs "^0.4.0"
+    tapable "^1.0.0"
+
 env-editor@^0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/env-editor/-/env-editor-0.3.1.tgz#30d0540c2101414f258a94d4c0a524c06c13e3c6"
@@ -1505,6 +1611,12 @@ errno@^0.1.3:
   dependencies:
     prr "~1.0.1"
 
+errno@^0.1.4:
+  version "0.1.7"
+  resolved "https://registry.yarnpkg.com/errno/-/errno-0.1.7.tgz#4684d71779ad39af177e3f007996f7c67c852618"
+  dependencies:
+    prr "~1.0.1"
+
 error-ex@^1.2.0, error-ex@^1.3.1:
   version "1.3.1"
   resolved "https://registry.npmjs.org/error-ex/-/error-ex-1.3.1.tgz#f855a86ce61adc4e8621c3cda21e7a7612c3a8dc"
@@ -1971,7 +2083,7 @@ extend-shallow@^2.0.1:
   dependencies:
     is-extendable "^0.1.0"
 
-extend-shallow@^3.0.0:
+extend-shallow@^3.0.0, extend-shallow@^3.0.2:
   version "3.0.2"
   resolved "https://registry.npmjs.org/extend-shallow/-/extend-shallow-3.0.2.tgz#26a71aaf073b39fb2127172746131c2704028db8"
   dependencies:
@@ -1996,9 +2108,9 @@ extglob@^0.3.1:
   dependencies:
     is-extglob "^1.0.0"
 
-extglob@^2.0.2:
+extglob@^2.0.2, extglob@^2.0.4:
   version "2.0.4"
-  resolved "https://registry.npmjs.org/extglob/-/extglob-2.0.4.tgz#ad00fe4dc612a9232e8718711dc5cb5ab0285543"
+  resolved "https://registry.yarnpkg.com/extglob/-/extglob-2.0.4.tgz#ad00fe4dc612a9232e8718711dc5cb5ab0285543"
   dependencies:
     array-unique "^0.3.2"
     define-property "^1.0.0"
@@ -2124,6 +2236,14 @@ finalhandler@1.1.0:
     statuses "~1.3.1"
     unpipe "~1.0.0"
 
+find-cache-dir@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-1.0.0.tgz#9288e3e9e3cc3748717d39eade17cf71fc30ee6f"
+  dependencies:
+    commondir "^1.0.1"
+    make-dir "^1.0.0"
+    pkg-dir "^2.0.0"
+
 find-up@^1.0.0:
   version "1.1.2"
   resolved "https://registry.npmjs.org/find-up/-/find-up-1.1.2.tgz#6b2e9822b1a2ce0a60ab64d610eccad53cb24d0f"
@@ -2146,6 +2266,13 @@ flat-cache@^1.2.1:
     graceful-fs "^4.1.2"
     write "^0.2.1"
 
+flush-write-stream@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/flush-write-stream/-/flush-write-stream-1.0.2.tgz#c81b90d8746766f1a609a46809946c45dd8ae417"
+  dependencies:
+    inherits "^2.0.1"
+    readable-stream "^2.0.4"
+
 fluture@^8.0.0:
   version "8.0.1"
   resolved "https://registry.yarnpkg.com/fluture/-/fluture-8.0.1.tgz#519d4d056153e2fac88362ae271018b9cde190fb"
@@ -2204,6 +2331,22 @@ fresh@0.5.2:
   version "0.5.2"
   resolved "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
 
+from2@^2.1.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/from2/-/from2-2.3.0.tgz#8bfb5502bde4a4d36cfdeea007fcca21d7e382af"
+  dependencies:
+    inherits "^2.0.1"
+    readable-stream "^2.0.0"
+
+fs-write-stream-atomic@^1.0.8:
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/fs-write-stream-atomic/-/fs-write-stream-atomic-1.0.10.tgz#b47df53493ef911df75731e70a9ded0189db40c9"
+  dependencies:
+    graceful-fs "^4.1.2"
+    iferr "^0.1.5"
+    imurmurhash "^0.1.4"
+    readable-stream "1 || 2"
+
 fs.realpath@^1.0.0:
   version "1.0.0"
   resolved "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
@@ -2629,6 +2772,10 @@ ieee754@^1.1.4:
   version "1.1.8"
   resolved "https://registry.npmjs.org/ieee754/-/ieee754-1.1.8.tgz#be33d40ac10ef1926701f6f08a2d86fbfd1ad3e4"
 
+iferr@^0.1.5:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/iferr/-/iferr-0.1.5.tgz#c60eed69e6d8fdb6b3104a1fcbca1c192dc5b501"
+
 ignore@^3.3.3, ignore@^3.3.5, ignore@^3.3.6:
   version "3.3.7"
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.7.tgz#612289bfb3c220e186a58118618d5be8c1bab021"
@@ -2829,7 +2976,7 @@ is-descriptor@^0.1.0:
     is-data-descriptor "^0.1.4"
     kind-of "^5.0.0"
 
-is-descriptor@^1.0.0:
+is-descriptor@^1.0.0, is-descriptor@^1.0.2:
   version "1.0.2"
   resolved "https://registry.npmjs.org/is-descriptor/-/is-descriptor-1.0.2.tgz#3b159746a66604b04f8c81524ba365c5f14d86ec"
   dependencies:
@@ -2951,6 +3098,10 @@ is-number@^3.0.0:
   dependencies:
     kind-of "^3.0.2"
 
+is-number@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-4.0.0.tgz#0026e37f5454d73e356dfe6564699867c6a7f0ff"
+
 is-obj-prop@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-obj-prop/-/is-obj-prop-1.0.0.tgz#b34de79c450b8d7c73ab2cdf67dc875adb85f80e"
@@ -2968,6 +3119,12 @@ is-odd@^1.0.0:
   dependencies:
     is-number "^3.0.0"
 
+is-odd@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/is-odd/-/is-odd-2.0.0.tgz#7646624671fd7ea558ccd9a2795182f2958f1b24"
+  dependencies:
+    is-number "^4.0.0"
+
 is-path-cwd@^1.0.0:
   version "1.0.0"
   resolved "https://registry.npmjs.org/is-path-cwd/-/is-path-cwd-1.0.0.tgz#d225ec23132e89edd38fda767472e62e65f1106d"
@@ -3051,6 +3208,10 @@ is-whitespace-character@^1.0.0:
   version "1.0.1"
   resolved "https://registry.npmjs.org/is-whitespace-character/-/is-whitespace-character-1.0.1.tgz#9ae0176f3282b65457a1992cdb084f8a5f833e3b"
 
+is-windows@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-1.0.2.tgz#d1850eb9791ecd18e6182ce12a30f396634bb19d"
+
 is-word-character@^1.0.0:
   version "1.0.1"
   resolved "https://registry.npmjs.org/is-word-character/-/is-word-character-1.0.1.tgz#5a03fa1ea91ace8a6eb0c7cd770eb86d65c8befb"
@@ -3692,9 +3853,9 @@ lowercase-keys@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-1.0.0.tgz#4e3366b39e7f5457e35f1324bdf6f88d0bfc7306"
 
-lru-cache@^4.0.1:
+lru-cache@^4.0.1, lru-cache@^4.1.1:
   version "4.1.1"
-  resolved "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.1.tgz#622e32e82488b49279114a4f9ecf45e7cd6bba55"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-4.1.1.tgz#622e32e82488b49279114a4f9ecf45e7cd6bba55"
   dependencies:
     pseudomap "^1.0.2"
     yallist "^2.1.2"
@@ -3844,6 +4005,24 @@ micromatch@^2.1.5, micromatch@^2.3.11:
     parse-glob "^3.0.4"
     regex-cache "^0.4.2"
 
+micromatch@^3.1.8:
+  version "3.1.9"
+  resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.9.tgz#15dc93175ae39e52e93087847096effc73efcf89"
+  dependencies:
+    arr-diff "^4.0.0"
+    array-unique "^0.3.2"
+    braces "^2.3.1"
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
+    extglob "^2.0.4"
+    fragment-cache "^0.2.1"
+    kind-of "^6.0.2"
+    nanomatch "^1.2.9"
+    object.pick "^1.3.0"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.1"
+
 miller-rabin@^4.0.0:
   version "4.0.1"
   resolved "https://registry.npmjs.org/miller-rabin/-/miller-rabin-4.0.1.tgz#f080351c865b0dc562a8462966daa53543c78a4d"
@@ -3910,6 +4089,21 @@ minimist@~0.0.1:
   version "0.0.10"
   resolved "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
 
+mississippi@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/mississippi/-/mississippi-2.0.0.tgz#3442a508fafc28500486feea99409676e4ee5a6f"
+  dependencies:
+    concat-stream "^1.5.0"
+    duplexify "^3.4.2"
+    end-of-stream "^1.1.0"
+    flush-write-stream "^1.0.0"
+    from2 "^2.1.0"
+    parallel-transform "^1.1.0"
+    pump "^2.0.1"
+    pumpify "^1.3.3"
+    stream-each "^1.1.0"
+    through2 "^2.0.0"
+
 mitt@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/mitt/-/mitt-1.1.3.tgz#528c506238a05dce11cd914a741ea2cc332da9b8"
@@ -3927,6 +4121,17 @@ mkdirp@0.5.x, "mkdirp@>=0.5 0", mkdirp@^0.5.1, mkdirp@~0.5.0:
   dependencies:
     minimist "0.0.8"
 
+move-concurrently@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/move-concurrently/-/move-concurrently-1.0.1.tgz#be2c005fda32e0b29af1f05d7c4b33214c701f92"
+  dependencies:
+    aproba "^1.1.1"
+    copy-concurrently "^1.0.0"
+    fs-write-stream-atomic "^1.0.8"
+    mkdirp "^0.5.1"
+    rimraf "^2.5.4"
+    run-queue "^1.0.3"
+
 ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
@@ -3975,6 +4180,23 @@ nanomatch@^1.2.5:
     snapdragon "^0.8.1"
     to-regex "^3.0.1"
 
+nanomatch@^1.2.9:
+  version "1.2.9"
+  resolved "https://registry.yarnpkg.com/nanomatch/-/nanomatch-1.2.9.tgz#879f7150cb2dab7a471259066c104eee6e0fa7c2"
+  dependencies:
+    arr-diff "^4.0.0"
+    array-unique "^0.3.2"
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
+    fragment-cache "^0.2.1"
+    is-odd "^2.0.0"
+    is-windows "^1.0.2"
+    kind-of "^6.0.2"
+    object.pick "^1.3.0"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.1"
+
 natural-compare@^1.4.0:
   version "1.4.0"
   resolved "https://registry.npmjs.org/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
@@ -3983,6 +4205,10 @@ negotiator@0.6.1:
   version "0.6.1"
   resolved "https://registry.npmjs.org/negotiator/-/negotiator-0.6.1.tgz#2b327184e8992101177b28563fb5e7102acd0ca9"
 
+neo-async@^2.5.0:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.5.0.tgz#76b1c823130cca26acfbaccc8fbaf0a2fa33b18f"
+
 neutrino@^8.0.0:
   version "8.1.1"
   resolved "https://registry.yarnpkg.com/neutrino/-/neutrino-8.1.1.tgz#bd87d2691753ecd43ff0a6a1e52832690e616523"
@@ -4180,7 +4406,7 @@ on-headers@~1.0.1:
   version "1.0.1"
   resolved "https://registry.npmjs.org/on-headers/-/on-headers-1.0.1.tgz#928f5d0f470d49342651ea6794b0857c100693f7"
 
-once@^1.3.0, once@^1.3.3, once@^1.4.0:
+once@^1.3.0, once@^1.3.1, once@^1.3.3, once@^1.4.0:
   version "1.4.0"
   resolved "https://registry.npmjs.org/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
   dependencies:
@@ -4309,6 +4535,14 @@ pako@~1.0.5:
   version "1.0.6"
   resolved "https://registry.npmjs.org/pako/-/pako-1.0.6.tgz#0101211baa70c4bca4a0f63f2206e97b7dfaf258"
 
+parallel-transform@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/parallel-transform/-/parallel-transform-1.1.0.tgz#d410f065b05da23081fcd10f28854c29bda33b06"
+  dependencies:
+    cyclist "~0.2.2"
+    inherits "^2.0.3"
+    readable-stream "^2.1.5"
+
 parse-asn1@^5.0.0:
   version "5.1.0"
   resolved "https://registry.npmjs.org/parse-asn1/-/parse-asn1-5.1.0.tgz#37c4f9b7ed3ab65c74817b5f2480937fbf97c712"
@@ -4596,6 +4830,10 @@ progress@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/progress/-/progress-2.0.0.tgz#8a1be366bf8fc23db2bd23f10c6fe920b4389d1f"
 
+promise-inflight@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/promise-inflight/-/promise-inflight-1.0.1.tgz#98472870bf228132fcbdd868129bad12c3c029e3"
+
 proto-props@^0.2.0:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/proto-props/-/proto-props-0.2.1.tgz#5e01dc2675a0de9abfa76e799dfa334d6f483f4b"
@@ -4625,6 +4863,21 @@ public-encrypt@^4.0.0:
     parse-asn1 "^5.0.0"
     randombytes "^2.0.1"
 
+pump@^2.0.0, pump@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/pump/-/pump-2.0.1.tgz#12399add6e4cf7526d973cbc8b5ce2e2908b3909"
+  dependencies:
+    end-of-stream "^1.1.0"
+    once "^1.3.1"
+
+pumpify@^1.3.3:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/pumpify/-/pumpify-1.4.0.tgz#80b7c5df7e24153d03f0e7ac8a05a5d068bd07fb"
+  dependencies:
+    duplexify "^3.5.3"
+    inherits "^2.0.3"
+    pump "^2.0.0"
+
 punycode@1.3.2:
   version "1.3.2"
   resolved "https://registry.npmjs.org/punycode/-/punycode-1.3.2.tgz#9653a036fb7c1ee42342f2325cceefea3926c48d"
@@ -4756,26 +5009,26 @@ read-pkg@^3.0.0:
     normalize-package-data "^2.3.2"
     path-type "^3.0.0"
 
-readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.2.9, readable-stream@^2.3.3:
-  version "2.3.3"
-  resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.3.tgz#368f2512d79f9d46fdfc71349ae7878bbc1eb95c"
+"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.4, readable-stream@^2.1.5, readable-stream@^2.2.2:
+  version "2.3.4"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.4.tgz#c946c3f47fa7d8eabc0b6150f4a12f69a4574071"
   dependencies:
     core-util-is "~1.0.0"
     inherits "~2.0.3"
     isarray "~1.0.0"
-    process-nextick-args "~1.0.6"
+    process-nextick-args "~2.0.0"
     safe-buffer "~5.1.1"
     string_decoder "~1.0.3"
     util-deprecate "~1.0.1"
 
-readable-stream@^2.2.2:
-  version "2.3.4"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.4.tgz#c946c3f47fa7d8eabc0b6150f4a12f69a4574071"
+readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.2.9, readable-stream@^2.3.3:
+  version "2.3.3"
+  resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.3.tgz#368f2512d79f9d46fdfc71349ae7878bbc1eb95c"
   dependencies:
     core-util-is "~1.0.0"
     inherits "~2.0.3"
     isarray "~1.0.0"
-    process-nextick-args "~2.0.0"
+    process-nextick-args "~1.0.6"
     safe-buffer "~5.1.1"
     string_decoder "~1.0.3"
     util-deprecate "~1.0.1"
@@ -5021,7 +5274,7 @@ right-align@^0.1.1:
   dependencies:
     align-text "^0.1.1"
 
-rimraf@2, rimraf@^2.2.8, rimraf@^2.5.1, rimraf@^2.5.4, rimraf@^2.6.1:
+rimraf@2, rimraf@^2.2.8, rimraf@^2.5.1, rimraf@^2.5.4, rimraf@^2.6.1, rimraf@^2.6.2:
   version "2.6.2"
   resolved "https://registry.npmjs.org/rimraf/-/rimraf-2.6.2.tgz#2ed8150d24a16ea8651e6d6ef0f47c4158ce7a36"
   dependencies:
@@ -5040,6 +5293,12 @@ run-async@^2.2.0:
   dependencies:
     is-promise "^2.1.0"
 
+run-queue@^1.0.0, run-queue@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/run-queue/-/run-queue-1.0.3.tgz#e848396f057d223f24386924618e25694161ec47"
+  dependencies:
+    aproba "^1.1.1"
+
 rx-lite-aggregates@^4.0.8:
   version "4.0.8"
   resolved "https://registry.yarnpkg.com/rx-lite-aggregates/-/rx-lite-aggregates-4.0.8.tgz#753b87a89a11c95467c4ac1626c4efc4e05c67be"
@@ -5105,6 +5364,13 @@ schema-utils@^0.4.0:
     ajv "^5.0.0"
     ajv-keywords "^2.1.0"
 
+schema-utils@^0.4.2:
+  version "0.4.5"
+  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-0.4.5.tgz#21836f0608aac17b78f9e3e24daff14a5ca13a3e"
+  dependencies:
+    ajv "^6.1.0"
+    ajv-keywords "^3.1.0"
+
 select-hose@^2.0.0:
   version "2.0.0"
   resolved "https://registry.npmjs.org/select-hose/-/select-hose-2.0.0.tgz#625d8658f865af43ec962bfc376a37359a4994ca"
@@ -5143,6 +5409,10 @@ send@0.16.1:
     range-parser "~1.2.0"
     statuses "~1.3.1"
 
+serialize-javascript@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-1.4.0.tgz#7c958514db6ac2443a8abc062dc9f7886a7f6005"
+
 serve-index@^1.7.2:
   version "1.9.1"
   resolved "https://registry.npmjs.org/serve-index/-/serve-index-1.9.1.tgz#d3768d69b1e7d82e5ce050fff5b453bea12a9239"
@@ -5411,6 +5681,12 @@ sshpk@^1.7.0:
     jsbn "~0.1.0"
     tweetnacl "~0.14.0"
 
+ssri@^5.2.4:
+  version "5.2.4"
+  resolved "https://registry.yarnpkg.com/ssri/-/ssri-5.2.4.tgz#9985e14041e65fc397af96542be35724ac11da52"
+  dependencies:
+    safe-buffer "^5.1.1"
+
 stack-utils@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/stack-utils/-/stack-utils-1.0.1.tgz#d4f33ab54e8e38778b0ca5cfd3b3afb12db68620"
@@ -5445,6 +5721,13 @@ stream-browserify@^2.0.1:
     inherits "~2.0.1"
     readable-stream "^2.0.2"
 
+stream-each@^1.1.0:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/stream-each/-/stream-each-1.2.2.tgz#8e8c463f91da8991778765873fe4d960d8f616bd"
+  dependencies:
+    end-of-stream "^1.1.0"
+    stream-shift "^1.0.0"
+
 stream-http@^2.7.2:
   version "2.8.0"
   resolved "https://registry.npmjs.org/stream-http/-/stream-http-2.8.0.tgz#fd86546dac9b1c91aff8fc5d287b98fafb41bc10"
@@ -5455,6 +5738,10 @@ stream-http@^2.7.2:
     to-arraybuffer "^1.0.0"
     xtend "^4.0.0"
 
+stream-shift@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/stream-shift/-/stream-shift-1.0.0.tgz#d5c752825e5367e786f78e18e445ea223a155952"
+
 string-length@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/string-length/-/string-length-2.0.0.tgz#d40dbb686a3ace960c1cffca562bf2c45f8363ed"
@@ -5574,6 +5861,10 @@ tapable@^0.2.7:
   version "0.2.8"
   resolved "https://registry.npmjs.org/tapable/-/tapable-0.2.8.tgz#99372a5c999bf2df160afc0d74bed4f47948cd22"
 
+tapable@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/tapable/-/tapable-1.0.0.tgz#cbb639d9002eed9c6b5975eb20598d7936f1f9f2"
+
 tar-pack@^3.4.0:
   version "3.4.1"
   resolved "https://registry.npmjs.org/tar-pack/-/tar-pack-3.4.1.tgz#e1dbc03a9b9d3ba07e896ad027317eb679a10a1f"
@@ -5623,6 +5914,13 @@ throat@^4.0.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/throat/-/throat-4.1.0.tgz#89037cbc92c56ab18926e6ba4cbb200e15672a6a"
 
+through2@^2.0.0:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/through2/-/through2-2.0.3.tgz#0004569b37c7c74ba39c43f3ced78d1ad94140be"
+  dependencies:
+    readable-stream "^2.1.5"
+    xtend "~4.0.1"
+
 through@^2.3.6:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
@@ -5751,6 +6049,13 @@ typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
+uglify-es@^3.3.4:
+  version "3.3.9"
+  resolved "https://registry.yarnpkg.com/uglify-es/-/uglify-es-3.3.9.tgz#0c1c4f0700bed8dbc124cdb304d2592ca203e677"
+  dependencies:
+    commander "~2.13.0"
+    source-map "~0.6.1"
+
 uglify-js@^2.6, uglify-js@^2.8.29:
   version "2.8.29"
   resolved "https://registry.npmjs.org/uglify-js/-/uglify-js-2.8.29.tgz#29c5733148057bb4e1f75df35b7a9cb72e6a59dd"
@@ -5772,6 +6077,19 @@ uglifyjs-webpack-plugin@^0.4.6:
     uglify-js "^2.8.29"
     webpack-sources "^1.0.1"
 
+uglifyjs-webpack-plugin@^1.1.1:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-1.2.2.tgz#e7516d4367afdb715c3847841eb46f94c45ca2b9"
+  dependencies:
+    cacache "^10.0.1"
+    find-cache-dir "^1.0.0"
+    schema-utils "^0.4.2"
+    serialize-javascript "^1.4.0"
+    source-map "^0.6.1"
+    uglify-es "^3.3.4"
+    webpack-sources "^1.1.0"
+    worker-farm "^1.5.2"
+
 uid-number@^0.0.6:
   version "0.0.6"
   resolved "https://registry.npmjs.org/uid-number/-/uid-number-0.0.6.tgz#0ea10e8035e8eb5b8e4449f06da1c730663baa81"
@@ -5812,6 +6130,18 @@ union-value@^1.0.0:
     is-extendable "^0.1.1"
     set-value "^0.4.3"
 
+unique-filename@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/unique-filename/-/unique-filename-1.1.0.tgz#d05f2fe4032560871f30e93cbe735eea201514f3"
+  dependencies:
+    unique-slug "^2.0.0"
+
+unique-slug@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/unique-slug/-/unique-slug-2.0.0.tgz#db6676e7c7cc0629878ff196097c78855ae9f4ab"
+  dependencies:
+    imurmurhash "^0.1.4"
+
 unique-string@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/unique-string/-/unique-string-1.0.0.tgz#9e1057cca851abb93398f8b33ae187b99caec11a"
@@ -6078,21 +6408,21 @@ webpack-sources@1.0.1:
     source-list-map "^2.0.0"
     source-map "~0.5.3"
 
-webpack-sources@^1.0.1:
+webpack-sources@^1.0.1, webpack-sources@^1.1.0:
   version "1.1.0"
   resolved "https://registry.npmjs.org/webpack-sources/-/webpack-sources-1.1.0.tgz#a101ebae59d6507354d71d8013950a3a8b7a5a54"
   dependencies:
     source-list-map "^2.0.0"
     source-map "~0.6.1"
 
-webpack@^3.0.0:
-  version "3.10.0"
-  resolved "https://registry.npmjs.org/webpack/-/webpack-3.10.0.tgz#5291b875078cf2abf42bdd23afe3f8f96c17d725"
+webpack@^3.10.0:
+  version "3.11.0"
+  resolved "https://registry.yarnpkg.com/webpack/-/webpack-3.11.0.tgz#77da451b1d7b4b117adaf41a1a93b5742f24d894"
   dependencies:
     acorn "^5.0.0"
     acorn-dynamic-import "^2.0.0"
-    ajv "^5.1.5"
-    ajv-keywords "^2.0.0"
+    ajv "^6.1.0"
+    ajv-keywords "^3.1.0"
     async "^2.1.2"
     enhanced-resolve "^3.4.0"
     escope "^3.6.0"
@@ -6112,32 +6442,29 @@ webpack@^3.0.0:
     webpack-sources "^1.0.1"
     yargs "^8.0.2"
 
-webpack@^3.10.0:
-  version "3.11.0"
-  resolved "https://registry.yarnpkg.com/webpack/-/webpack-3.11.0.tgz#77da451b1d7b4b117adaf41a1a93b5742f24d894"
+webpack@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.0.0.tgz#423c2d27cb050e7655c6ea25ce27bfcbfcb56731"
   dependencies:
     acorn "^5.0.0"
-    acorn-dynamic-import "^2.0.0"
+    acorn-dynamic-import "^3.0.0"
     ajv "^6.1.0"
     ajv-keywords "^3.1.0"
-    async "^2.1.2"
-    enhanced-resolve "^3.4.0"
-    escope "^3.6.0"
-    interpret "^1.0.0"
-    json-loader "^0.5.4"
-    json5 "^0.5.1"
+    chrome-trace-event "^0.1.1"
+    enhanced-resolve "^4.0.0"
+    eslint-scope "^3.7.1"
     loader-runner "^2.3.0"
     loader-utils "^1.1.0"
     memory-fs "~0.4.1"
+    micromatch "^3.1.8"
     mkdirp "~0.5.0"
+    neo-async "^2.5.0"
     node-libs-browser "^2.0.0"
-    source-map "^0.5.3"
-    supports-color "^4.2.1"
-    tapable "^0.2.7"
-    uglifyjs-webpack-plugin "^0.4.6"
+    schema-utils "^0.4.2"
+    tapable "^1.0.0"
+    uglifyjs-webpack-plugin "^1.1.1"
     watchpack "^1.4.0"
     webpack-sources "^1.0.1"
-    yargs "^8.0.2"
 
 websocket-driver@>=0.5.1:
   version "0.7.0"
@@ -6206,6 +6533,13 @@ wordwrap@~1.0.0:
   version "1.0.0"
   resolved "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
 
+worker-farm@^1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/worker-farm/-/worker-farm-1.5.2.tgz#32b312e5dc3d5d45d79ef44acc2587491cd729ae"
+  dependencies:
+    errno "^0.1.4"
+    xtend "^4.0.1"
+
 wrap-ansi@^2.0.0:
   version "2.1.0"
   resolved "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
@@ -6321,7 +6655,7 @@ xo@0.20.0:
     update-notifier "^2.3.0"
     xo-init "^0.7.0"
 
-xtend@^4.0.0, xtend@^4.0.1:
+xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.1:
   version "4.0.1"
   resolved "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
 
@@ -6329,6 +6663,10 @@ y18n@^3.2.1:
   version "3.2.1"
   resolved "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
 
+y18n@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.0.tgz#95ef94f85ecc81d007c264e190a120f0a3c8566b"
+
 yallist@^2.1.2:
   version "2.1.2"
   resolved "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"