fix(angular): AoT rebuild on template and style changes (#659)

* fix(angular): rebuild on ngfactory/ngstyle change

The @ngtools/webpack should be applied to ngfactory and ngstyle files
and not only to TS files.

fixes #641

* refactor: remove obsolete comment

templates/webpack.angular.js

@@ -183,9 +183,9 @@ module.exports = env => {
                 { test: /\.css$/, exclude: /[\/|\\]app\.css$/, use: "raw-loader" },
                 { test: /\.scss$/, exclude: /[\/|\\]app\.scss$/, use: ["raw-loader", "resolve-url-loader", "sass-loader"] },
 
-                // Compile TypeScript files with ahead-of-time compiler.
                 {
-                    test: /.ts$/, use: [
+                    test: /(?:\.ngfactory\.js|\.ngstyle\.js|\.ts)$/,
+                    use: [
                         "nativescript-dev-webpack/moduleid-compat-loader",
                         "@ngtools/webpack",
                     ]