Merge pull request #5 from pradeep0601/greenkeeper/@angular/cli-6.0.0-rc.4

Update @angular/cli to the latest version 🚀

Author: pradeep0601

package.json

@@ -26,7 +26,7 @@
     "zone.js": "^0.8.19"
   },
   "devDependencies": {
-    "@angular/cli": "6.0.0-rc.3",
+    "@angular/cli": "6.0.0-rc.4",
     "@angular/compiler-cli": "^5.2.0",
     "@angular/language-service": "^5.2.0",
     "@types/jasmine": "~2.8.3",