chore: upgrade webpack dev server

Author: Matt Lewis

package.json

@@ -100,7 +100,7 @@
     "url-loader": "^0.5.7",
     "validate-commit-msg": "^2.8.2",
     "webpack": "2.2.0-rc.1",
-    "webpack-dev-server": "2.1.0-beta.12",
+    "webpack-dev-server": "2.2.0-rc.0",
     "webpack-fix-default-import-plugin": "^1.0.1",
     "zone.js": "^0.7.2"
   },

yarn.lock

@@ -180,14 +180,10 @@ alphanum-sort@^1.0.1, alphanum-sort@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/alphanum-sort/-/alphanum-sort-1.0.2.tgz#97a1119649b211ad33691d9f9f486a8ec9fbe0a3"
 
-[email protected]:
+[email protected], amdefine@>=0.0.4:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/amdefine/-/amdefine-1.0.0.tgz#fd17474700cb5cc9c2b709f0be9d23ce3c198c33"
 
-amdefine@>=0.0.4:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/amdefine/-/amdefine-1.0.1.tgz#4a5282ac164729e93619bcfd3ad151f817ce91f5"
-
 angular-resizable-element@~0.5.0:
   version "0.5.4"
   resolved "https://registry.yarnpkg.com/angular-resizable-element/-/angular-resizable-element-0.5.4.tgz#76467857841d906f517d2bf1b56539c90e16240a"
@@ -5806,7 +5802,7 @@ webpack-core@~0.6.9:
     source-list-map "~0.1.7"
     source-map "~0.4.1"
 
-webpack-dev-middleware@^1.0.11, webpack-dev-middleware@^1.4.0:
+webpack-dev-middleware@^1.0.11, webpack-dev-middleware@^1.9.0:
   version "1.9.0"
   resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-1.9.0.tgz#a1c67a3dfd8a5c5d62740aa0babe61758b4c84aa"
   dependencies:
@@ -5815,9 +5811,9 @@ webpack-dev-middleware@^1.0.11, webpack-dev-middleware@^1.4.0:
     path-is-absolute "^1.0.0"
     range-parser "^1.0.3"
 
-webpack-dev-server@2.1.0-beta.12:
-  version "2.1.0-beta.12"
-  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-2.1.0-beta.12.tgz#f717e7b69214dae0e7a2061c12d128432d7520ef"
+webpack-dev-server@2.2.0-rc.0:
+  version "2.2.0-rc.0"
+  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-2.2.0-rc.0.tgz#ea8a11e211d9524b8999945fe5645481a51fdf46"
   dependencies:
     chokidar "^1.6.0"
     compression "^1.5.2"
@@ -5832,7 +5828,7 @@ [email protected]:
     spdy "^3.4.1"
     strip-ansi "^3.0.0"
     supports-color "^3.1.1"
-    webpack-dev-middleware "^1.4.0"
+    webpack-dev-middleware "^1.9.0"
     yargs "^6.0.0"
 
 webpack-fix-default-import-plugin@^1.0.1: