chore(package.json): fixes typescript dependency

angular/angular-cli#1901

Author: Martin

package.json

@@ -148,7 +148,7 @@
     "tslint": "^3.15.0-dev.0",
     "tslint-loader": "^2.1.3",
     "typedoc": "^0.4.4",
-    "typescript": "~2.0.0-beta",
+    "typescript": "2.0.0",
     "url-loader": "^0.5.7",
     "webpack": "^2.1.0-beta.21",
     "webpack-dev-middleware": "^1.6.1",