Update typings for RC 6 to match quickstart docs (#205)

typings.json

 {
   "globalDependencies": {
     "angular-protractor": "registry:dt/angular-protractor#1.5.0+20160425143459",
-    "core-js": "registry:dt/core-js#0.0.0+20160602141332",
+    "core-js": "registry:dt/core-js#0.0.0+20160725163759",
     "jasmine": "registry:dt/jasmine#2.2.0+20160621224255",
-    "node": "registry:dt/node#6.0.0+20160807145350",
+    "node": "registry:dt/node#6.0.0+20160831021119",
     "selenium-webdriver": "registry:dt/selenium-webdriver#2.44.0+20160317120654"
   }
 }