Fix includes and excludes.

config/webpack.common.js

@@ -75,6 +75,7 @@ module.exports = {
       ]
     }, {
       test: /\.html$/,
+      include: helpers.root('src'),
       loader: 'html-loader'
     }, {
       test: /\.less$/,
@@ -85,14 +86,14 @@ module.exports = {
       ]
     }, {
       test: /\.css$/,
-      exclude: helpers.root('src', 'app'),
+      exclude: helpers.root('src'),
       loader: ExtractTextPlugin.extract({
         fallback: 'style-loader',
         use: 'css-loader?sourceMap'
       })
     }, {
       test: /\.css$/,
-      include: helpers.root('src', 'app'),
+      include: helpers.root('src'),
       loader: 'raw-loader'
     }, {
       test: /\.scss$/,