diff --git a/package-lock.json b/package-lock.json
index 0caed5d..31dd068 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -184,6 +184,14 @@
       "integrity": "sha1-9S/KlxVXmhT4QdZ9f40lQyq2o90=",
       "optional": true
     },
+    "async": {
+      "version": "2.1.5",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.1.5.tgz",
+      "integrity": "sha512-+g/Ncjbx0JSq2Mk03WQkyKvNh5q9Qvyo/RIqIqnmC5feJY70PNl2ESwZU2BhAB+AZPkHNzzyC2Dq2AS5VnTKhQ==",
+      "requires": {
+        "lodash": "^4.14.0"
+      }
+    },
     "async-each": {
       "version": "1.0.1",
       "resolved": "http://registry.npm.qiwoo.org/async-each/download/async-each-1.0.1.tgz",
@@ -193,8 +201,7 @@
     "asynckit": {
       "version": "0.4.0",
       "resolved": "http://registry.npm.qiwoo.org/asynckit/download/asynckit-0.4.0.tgz",
-      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
-      "optional": true
+      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
     },
     "autolinker": {
       "version": "0.28.1",
@@ -724,7 +731,6 @@
       "version": "1.0.5",
       "resolved": "http://registry.npm.qiwoo.org/combined-stream/download/combined-stream-1.0.5.tgz",
       "integrity": "sha1-k4NwpXtKUd6ix3wV1cX9+JUWQAk=",
-      "optional": true,
       "requires": {
         "delayed-stream": "1.0.0"
       }
@@ -2793,8 +2799,7 @@
     "inflection": {
       "version": "1.10.0",
       "resolved": "http://registry.npm.qiwoo.org/inflection/download/inflection-1.10.0.tgz",
-      "integrity": "sha1-W//LEZetPoEFD44X4hZoCH7p6y8=",
-      "optional": true
+      "integrity": "sha1-W//LEZetPoEFD44X4hZoCH7p6y8="
     },
     "inflight": {
       "version": "1.0.6",
@@ -3069,8 +3074,7 @@
     "is-stream": {
       "version": "1.1.0",
       "resolved": "http://registry.npm.qiwoo.org/is-stream/download/is-stream-1.1.0.tgz",
-      "integrity": "sha1-EtSj3U5o4Lec6428hBc66A2RykQ=",
-      "optional": true
+      "integrity": "sha1-EtSj3U5o4Lec6428hBc66A2RykQ="
     },
     "is-typedarray": {
       "version": "1.0.0",
@@ -3376,6 +3380,11 @@
         }
       }
     },
+    "lodash": {
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
+    },
     "lodash._reinterpolate": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/lodash._reinterpolate/-/lodash._reinterpolate-3.0.0.tgz",
@@ -3638,61 +3647,42 @@
     },
     "mailgun-js": {
       "version": "0.7.15",
-      "resolved": "http://registry.npm.qiwoo.org/mailgun-js/download/mailgun-js-0.7.15.tgz",
-      "integrity": "sha1-7jZqINrGTDwVwD1sGz4O15UlKrs=",
-      "optional": true,
-      "requires": {
-        "async": "2.1.5",
-        "debug": "2.2.0",
-        "form-data": "2.1.4",
-        "inflection": "1.10.0",
-        "is-stream": "1.1.0",
-        "path-proxy": "1.0.0",
-        "proxy-agent": "2.0.0",
-        "q": "1.4.1",
-        "tsscmp": "1.0.5"
+      "resolved": "https://registry.npmjs.org/mailgun-js/-/mailgun-js-0.7.15.tgz",
+      "integrity": "sha512-3D44urbtsZsue5ojVAbAciyCB4yU18T2zFDeOX2FYr4umTNGZfDTDnrsk+apr0s/Lo/+08552F7NE2vZrqeWDw==",
+      "requires": {
+        "async": "~2.1.2",
+        "debug": "~2.2.0",
+        "form-data": "~2.1.1",
+        "inflection": "~1.10.0",
+        "is-stream": "^1.1.0",
+        "path-proxy": "~1.0.0",
+        "proxy-agent": "~2.0.0",
+        "q": "~1.4.0",
+        "tsscmp": "~1.0.0"
       },
       "dependencies": {
-        "async": {
-          "version": "2.1.5",
-          "resolved": "http://registry.npm.qiwoo.org/async/download/async-2.1.5.tgz",
-          "integrity": "sha1-5YfGhYCZSsZ/xW/4bTrFa9voELw=",
-          "optional": true,
-          "requires": {
-            "lodash": "4.17.4"
-          }
-        },
         "debug": {
           "version": "2.2.0",
-          "resolved": "http://registry.npm.qiwoo.org/debug/download/debug-2.2.0.tgz",
-          "integrity": "sha1-+HBX6ZWxofauaklgZkE3vFbwOdo=",
-          "optional": true,
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
+          "integrity": "sha512-X0rGvJcskG1c3TgSCPqHJ0XJgwlcvOC7elJ5Y0hYuKBZoVqWpAMfLOeIh2UI/DCQ5ruodIjvsugZtjUYUw2pUw==",
           "requires": {
             "ms": "0.7.1"
           }
         },
         "form-data": {
           "version": "2.1.4",
-          "resolved": "http://registry.npm.qiwoo.org/form-data/download/form-data-2.1.4.tgz",
-          "integrity": "sha1-M8GDrPGTJ27KqYFDpp6Uv+4XUNE=",
-          "optional": true,
+          "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.1.4.tgz",
+          "integrity": "sha512-8HWGSLAPr+AG0hBpsqi5Ob8HrLStN/LWeqhpFl14d7FJgHK48TmgLoALPz69XSUR65YJzDfLUX/BM8+MLJLghQ==",
           "requires": {
-            "asynckit": "0.4.0",
-            "combined-stream": "1.0.5",
-            "mime-types": "2.1.17"
+            "asynckit": "^0.4.0",
+            "combined-stream": "^1.0.5",
+            "mime-types": "^2.1.12"
           }
         },
-        "lodash": {
-          "version": "4.17.4",
-          "resolved": "http://registry.npm.qiwoo.org/lodash/download/lodash-4.17.4.tgz",
-          "integrity": "sha1-eCA6TRwyiuHYbcpkYONptX9AVa4=",
-          "optional": true
-        },
         "ms": {
           "version": "0.7.1",
-          "resolved": "http://registry.npm.qiwoo.org/ms/download/ms-0.7.1.tgz",
-          "integrity": "sha1-nNE8A62/8ltl7/3nzoZO6VIBcJg=",
-          "optional": true
+          "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.1.tgz",
+          "integrity": "sha512-lRLiIR9fSNpnP6TC4v8+4OU7oStC01esuNowdQ34L+Gk8e5Puoc88IqJ+XAY/B3Mn2ZKis8l8HX90oU8ivzUHg=="
         }
       }
     },
@@ -4311,7 +4301,6 @@
       "version": "1.0.0",
       "resolved": "http://registry.npm.qiwoo.org/path-proxy/download/path-proxy-1.0.0.tgz",
       "integrity": "sha1-GOijaFn8nS8aU7SN7hOFQ8Ag3l4=",
-      "optional": true,
       "requires": {
         "inflection": "1.3.8"
       },
@@ -4414,7 +4403,6 @@
       "version": "2.0.0",
       "resolved": "http://registry.npm.qiwoo.org/proxy-agent/download/proxy-agent-2.0.0.tgz",
       "integrity": "sha1-V+tTR6qAXXTsaByyVknbo5yTNJk=",
-      "optional": true,
       "requires": {
         "agent-base": "2.1.1",
         "debug": "2.6.9",
@@ -4464,8 +4452,7 @@
     "q": {
       "version": "1.4.1",
       "resolved": "http://registry.npm.qiwoo.org/q/download/q-1.4.1.tgz",
-      "integrity": "sha1-VXBbzZPF82c1MMLCy8DCs63cKG4=",
-      "optional": true
+      "integrity": "sha1-VXBbzZPF82c1MMLCy8DCs63cKG4="
     },
     "qs": {
       "version": "6.5.1",
@@ -5951,8 +5938,7 @@
     "tsscmp": {
       "version": "1.0.5",
       "resolved": "http://registry.npm.qiwoo.org/tsscmp/download/tsscmp-1.0.5.tgz",
-      "integrity": "sha1-fcSjOvcVgatDN9qR2FylQn69mpc=",
-      "optional": true
+      "integrity": "sha1-fcSjOvcVgatDN9qR2FylQn69mpc="
     },
     "tunnel-agent": {
       "version": "0.6.0",