fix(serve): enable routes with dots

Fix #2168

Author: filipesilva

packages/angular-cli/custom-typings.d.ts

@@ -1,7 +1,7 @@
 interface IWebpackDevServerConfigurationOptions {
   contentBase?: string;
   hot?: boolean;
-  historyApiFallback?: boolean;
+  historyApiFallback?: {[key: string]: boolean} | boolean;
   compress?: boolean;
   proxy?: {[key: string]: string};
   staticOptions?: any;

packages/angular-cli/tasks/serve-webpack.ts

@@ -55,7 +55,9 @@ export default Task.extend({
         this.project.root,
         `./${CliConfig.fromProject().config.apps[0].root}`
       ),
-      historyApiFallback: true,
+      historyApiFallback: {
+        disableDotRule: true,
+      },
       stats: webpackDevServerOutputOptions,
       inline: true,
       proxy: proxyConfig,