fix(webpack): fix bug with using [name] for output file name

fix bug with using [name] for output file name

#724

Author: danbucholtz

config/webpack.config.js

@@ -7,7 +7,7 @@ module.exports = {
   output: {
     path: '{{BUILD}}',
     publicPath: 'build/',
-    filename: '[name].js',
+    filename: process.env.IONIC_OUTPUT_JS_FILE_NAME,
     devtoolModuleFilenameTemplate: ionicWebpackFactory.getSourceMapperFunction(),
   },
   devtool: process.env.IONIC_SOURCE_MAP_TYPE,