chore(package): update webpack-dev-server to version 2.9.4

Author: tiagoschenkel

package.json

@@ -101,6 +101,6 @@
     "tslint-config-prettier": "^1.6.0",
     "typescript": "^2.6.1",
     "webpack": "^3.8.1",
-    "webpack-dev-server": "^2.9.3"
+    "webpack-dev-server": "^2.9.4"
   }
 }

yarn.lock

@@ -912,8 +912,8 @@ configstore@^2.0.0:
     xdg-basedir "^2.0.0"
 
 connect-history-api-fallback@^1.3.0:
-  version "1.4.0"
-  resolved "https://registry.npmjs.org/connect-history-api-fallback/-/connect-history-api-fallback-1.4.0.tgz#3db24f973f4b923b0e82f619ce0df02411ca623d"
+  version "1.5.0"
+  resolved "https://registry.npmjs.org/connect-history-api-fallback/-/connect-history-api-fallback-1.5.0.tgz#b06873934bc5e344fef611a196a6faae0aee015a"
 
 connect@^3.6.0:
   version "3.6.5"
@@ -3030,6 +3030,10 @@ kew@~0.7.0:
   version "0.7.0"
   resolved "https://registry.npmjs.org/kew/-/kew-0.7.0.tgz#79d93d2d33363d6fdd2970b335d9141ad591d79b"
 
+killable@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.npmjs.org/killable/-/killable-1.0.0.tgz#da8b84bd47de5395878f95d64d02f2449fe05e6b"
+
 kind-of@^3.0.2:
   version "3.2.2"
   resolved "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz#31ea21a734bab9bbb0f32466d893aea51e4a3c64"
@@ -4431,7 +4435,7 @@ require-main-filename@^1.0.1:
   version "1.0.1"
   resolved "https://registry.npmjs.org/require-main-filename/-/require-main-filename-1.0.1.tgz#97f717b69d48784f5f526a6c5aa8ffdda055a4d1"
 
-[email protected], [email protected]:
+[email protected], [email protected], requires-port@~1.0.0:
   version "1.0.0"
   resolved "https://registry.npmjs.org/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"
 
@@ -5310,11 +5314,11 @@ [email protected]:
     requires-port "1.0.x"
 
 url-parse@^1.1.8:
-  version "1.1.9"
-  resolved "https://registry.npmjs.org/url-parse/-/url-parse-1.1.9.tgz#c67f1d775d51f0a18911dd7b3ffad27bb9e5bd19"
+  version "1.2.0"
+  resolved "https://registry.npmjs.org/url-parse/-/url-parse-1.2.0.tgz#3a19e8aaa6d023ddd27dcc44cb4fc8f7fec23986"
   dependencies:
     querystringify "~1.0.0"
-    requires-port "1.0.x"
+    requires-port "~1.0.0"
 
 url@^0.11.0:
   version "0.11.0"
@@ -5423,9 +5427,9 @@ webpack-dev-middleware@^1.11.0, webpack-dev-middleware@^1.12.0:
     range-parser "^1.0.3"
     time-stamp "^2.0.0"
 
-webpack-dev-server@^2.9.3:
-  version "2.9.3"
-  resolved "https://registry.npmjs.org/webpack-dev-server/-/webpack-dev-server-2.9.3.tgz#f0554e88d129e87796a6f74a016b991743ca6f81"
+webpack-dev-server@^2.9.4:
+  version "2.9.4"
+  resolved "https://registry.npmjs.org/webpack-dev-server/-/webpack-dev-server-2.9.4.tgz#7883e61759c6a4b33e9b19ec4037bd4ab61428d1"
   dependencies:
     ansi-html "0.0.7"
     array-includes "^3.0.3"
@@ -5441,6 +5445,7 @@ webpack-dev-server@^2.9.3:
     import-local "^0.1.1"
     internal-ip "1.2.0"
     ip "^1.1.5"
+    killable "^1.0.0"
     loglevel "^1.4.1"
     opn "^5.1.0"
     portfinder "^1.0.9"
@@ -5496,8 +5501,8 @@ websocket-driver@>=0.5.1:
     websocket-extensions ">=0.1.1"
 
 websocket-extensions@>=0.1.1:
-  version "0.1.2"
-  resolved "https://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.2.tgz#0e18781de629a18308ce1481650f67ffa2693a5d"
+  version "0.1.3"
+  resolved "https://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.3.tgz#5d2ff22977003ec687a4b87073dfbbac146ccf29"
 
 which-module@^1.0.0:
   version "1.0.0"