chore: upgrade to alpha52

Closes #10

Author: cironunes

package.json

@@ -3,8 +3,13 @@
   "version": "0.0.0",
   "license": "Apache-2.0",
   "dependencies": {
+    "angular2": "2.0.0-alpha.52",
+    "es6-promise": "^3.0.2",
+    "es6-shim": "^0.33.3",
+    "reflect-metadata": "0.1.2",
+    "rxjs": "5.0.0-alpha.14",
     "systemjs": "0.19.4",
-    "angular2": "2.0.0-alpha.48"
+    "zone.js": "0.5.8"
   },
   "devDependencies": {
     "angular-cli": "0.0.*",

src/app/angular2-playground.html

@@ -1,6 +1,6 @@
 <nav>
   <a href="#/" id="hello-link">Hello World</a> |
-  <a [router-link]="['/NgUpgradeCmp']" id="upgrade-link">ngUpgrade</a>
+  <a [routerLink]="['/NgUpgradeCmp']" id="upgrade-link">ngUpgrade</a>
 </nav>
 
 <router-outlet></router-outlet>