Upgrade webpack-dev-middleware dependency

Author: SpaceK33z

package.json

@@ -67,7 +67,7 @@
     "spdy": "^3.4.1",
     "strip-ansi": "^3.0.0",
     "supports-color": "^5.1.0",
-    "webpack-dev-middleware": "2.0.6",
+    "webpack-dev-middleware": "3.0.0",
     "webpack-log": "^1.1.2",
     "yargs": "9.0.1"
   },