fix(webpack): moved context replacement plugin to dev builds only (#545)

closes #543

Author: odahcam

webpack.config.js

@@ -89,7 +89,8 @@ module.exports = (env) => {
                 manifest: require('./ClientApp/dist/vendor-manifest.json'),
                 sourceType: 'commonjs2',
                 name: './vendor'
-            }),
+            })
+        ].concat(isDevBuild ? [
             new webpack.ContextReplacementPlugin(
               // fixes WARNING Critical dependency: the request of a dependency is an expression
               /(.+)?angular(\\|\/)core(.+)?/,
@@ -102,7 +103,7 @@ module.exports = (env) => {
               path.join(__dirname, 'src'),
               {}
             )
-        ].concat(isDevBuild ? [] : [
+        ] : [
             // new webpack.optimize.UglifyJsPlugin({
             //   compress: false,
             //   mangle: false