Add .gif file support

Author: June Domingo

webpack.config.dev.js

@@ -52,7 +52,7 @@ export default {
 			{ test: /\.js$/, exclude: /(node_modules|bower_components)/, loader: 'babel' },
 			{ test: /(\.css)$/, loader: 'style!css' },
 			{ test: /\.styl$/, loader: 'style-loader!css-loader!stylus-loader' },
-			{ test: /\.(png|jpe?g|ico)$/, loader: 'url-loader?limit=1000&name=[name].[ext]' },
+			{ test: /\.(png|jpe?g|ico|gif)$/, loader: 'url-loader?limit=1000&name=[name].[ext]' },
 			{ test: /\.(woff|woff2|svg|ttf|eot|otf)(\?[\s\S]+)?$/, loader: 'file-loader?limit=1000&name=[name].[ext]' }
 		]
 	},

webpack.config.prod.js

@@ -62,7 +62,7 @@ export default {
 			{ test: /\.js$/, exclude: /(node_modules|bower_components)/, loader: 'babel' },
 			{ test: /(\.css)$/, loader: ExtractTextPlugin.extract('css?sourceMap') },
 			{ test: /\.styl$/, loader: ExtractTextPlugin.extract('css-loader!stylus-loader') },
-			{ test: /\.(png|jpe?g|ico)$/, loader: 'url-loader?limit=1000&name=assets/img/[name].[ext]' },
+			{ test: /\.(png|jpe?g|ico|gif)$/, loader: 'url-loader?limit=1000&name=assets/img/[name].[ext]' },
 			{ test: /\.(otf|woff|woff2|svg|ttf|eot)(\?[\s\S]+)?$/, loader: 'file-loader?limit=1000&name=assets/fonts/[name].[ext]' }
 		]
 	},