feat(Ng2LocationConfig): use BrowserLocationConfig.

src/location/locationConfig.ts

@@ -1,27 +1,15 @@
 /** @module ng2 */
 /** */
 
-import { UIRouter, is, isDefined } from "ui-router-core";
+import { UIRouter, is, BrowserLocationConfig } from "ui-router-core";
 import { LocationStrategy, PathLocationStrategy } from "@angular/common";
 
-export class Ng2LocationConfig {
-  private _isHtml5: boolean;
-  private _hashPrefix: string = "";
-
+export class Ng2LocationConfig extends BrowserLocationConfig {
   constructor(router: UIRouter, private _locationStrategy: LocationStrategy) {
-    this._isHtml5 = is(PathLocationStrategy)(_locationStrategy);
+    super(router, is(PathLocationStrategy)(_locationStrategy))
   }
 
-  dispose() {}
-  port = () => null as number;
-  protocol = () => null as string;
-  host = () => null as string;
-  baseHref = () => this._locationStrategy.getBaseHref();
-  html5Mode = () => this._isHtml5;
-  hashPrefix = (newprefix?: string): string => {
-    if (isDefined(newprefix)) {
-      this._hashPrefix = newprefix;
-    }
-    return this._hashPrefix;
-  };
-}
+  baseHref(href?: string): string {
+    return this._locationStrategy.getBaseHref();
+  }
+}