updating deps again, including extract-text-plugin so that it supports webpack 3

Author: weaverryan

package.json

@@ -32,7 +32,7 @@
     "chalk": "^1.1.3",
     "clean-webpack-plugin": "^0.1.16",
     "css-loader": "^0.26.2",
-    "extract-text-webpack-plugin": "^2.1.0",
+    "extract-text-webpack-plugin": "^3.0.0",
     "file-loader": "^0.10.1",
     "friendly-errors-webpack-plugin": "^1.6.1",
     "fs-extra": "^2.0.0",