2e9cfec fix(router): create a route tree when creating the router service

Author: vsavkin

BUILD_INFO

@@ -1,2 +1,2 @@
-Sun May 1 19:16:35 UTC 2016
-6f5e3f93903f80a15b41e4f8a729ee8ed799994e
+Sun May 1 21:55:56 UTC 2016
+2e9cfec0b174941121d19ccfeb4838d257de675c

alt_router.d.ts

@@ -4,7 +4,7 @@
  * Alternative implementation of the router. Experimental.
  */
 export { Router, RouterOutletMap } from './src/alt_router/router';
-export { RouteSegment, UrlSegment, Tree } from './src/alt_router/segments';
+export { RouteSegment, UrlSegment, Tree, UrlTree, RouteTree } from './src/alt_router/segments';
 export { Routes } from './src/alt_router/metadata/decorators';
 export { Route } from './src/alt_router/metadata/metadata';
 export { RouterUrlSerializer, DefaultRouterUrlSerializer } from './src/alt_router/router_url_serializer';