fix(angular-cli): change version of webpack plugin.

Author: hansl

packages/angular-cli/package.json

@@ -30,7 +30,7 @@
     "@angular/compiler": "^2.1.0",
     "@angular/compiler-cli": "^2.1.0",
     "@angular/core": "^2.1.0",
-    "@ngtools/webpack": "latest",
+    "@ngtools/webpack": "^1.0.0",
     "angular2-template-loader": "^0.5.0",
     "awesome-typescript-loader": "^2.2.3",
     "chalk": "^1.1.3",