import '@angular/platform-browser-dynamic';
import '@angular/core';
import '@angular/common';
+import '@angular/forms';
import '@angular/http';
import '@angular/router';
+import '@angularclass/hmr';
+
// RxJS
import 'rxjs/Observable';
import 'rxjs/Subject';
import 'rxjs/add/operator/catch';
+import 'rxjs/add/operator/mergeMap';
import 'rxjs/add/operator/map';
import 'rxjs/add/observable/throw';