build: update latest devkit refs

Author: filipesilva

package-lock.json

@@ -41,11 +41,11 @@
   },
   "homepage": "https://github.com/angular/angular-cli",
   "dependencies": {
-    "@angular-devkit/architect": "angular/angular-devkit-architect-builds",
-    "@angular-devkit/core": "angular/angular-devkit-core-builds",
-    "@angular-devkit/schematics": "angular/angular-devkit-schematics-builds",
-    "@schematics/angular": "angular/schematics-angular-builds",
-    "@schematics/update": "angular/schematics-update-builds",
+    "@angular-devkit/architect": "github:angular/angular-devkit-architect-builds",
+    "@angular-devkit/core": "github:angular/angular-devkit-core-builds",
+    "@angular-devkit/schematics": "github:angular/angular-devkit-schematics-builds",
+    "@schematics/angular": "github:angular/schematics-angular-builds",
+    "@schematics/update": "github:angular/schematics-update-builds",
     "chalk": "~2.2.0",
     "fs-extra": "^4.0.0",
     "node-modules-path": "^1.0.0",