fix(router): generate links for router-link with baseHref

modules/angular2/src/mock/location_mock.js

@@ -12,18 +12,24 @@ export class SpyLocation extends SpyObject {
   urlChanges:List<string>;
   _path:string;
   _subject:EventEmitter;
+  _baseHref:string;
 
   constructor() {
     super();
     this._path = '/';
     this.urlChanges = ListWrapper.create();
     this._subject = new EventEmitter();
+    this._baseHref = '';
   }
 
   setInitialPath(url:string) {
     this._path = url;
   }
 
+  setBaseHref(url:string) {
+    this._baseHref = url;
+  }
+
   path():string {
     return this._path;
   }
@@ -34,6 +40,10 @@ export class SpyLocation extends SpyObject {
     });
   }
 
+  normalizeAbsolutely(url) {
+    return this._baseHref + url;
+  }
+
   go(url:string) {
     if (this._path === url) {
       return;