fix(e2e): fix travis e2e (angular#2914)

Author: filipesilva

packages/angular-cli/blueprints/ng2/files/package.json

@@ -47,6 +47,7 @@
     "protractor": "4.0.9",
     "ts-node": "1.2.1",
     "tslint": "3.13.0",
-    "typescript": "~2.0.3"
+    "typescript": "~2.0.3",
+    "webdriver-manager": "10.2.5"
   }
 }