updated zone.js

Author: moizKachwala

package.json

@@ -41,7 +41,7 @@
     "reflect-metadata": "^0.1.8",
     "rxjs": "5.0.0-rc.1",
     "systemjs": "0.19.41",
-    "zone.js": "^0.6.25"
+    "zone.js": "^0.7.2"
   },
   "devDependencies": {
     "concurrently": "^3.0.0",