fix(lint): add missing rulesDirectory (angular#1108)

Fix angular#1094

Author: filipesilva

addon/ng2/blueprints/ng2/files/tslint.json

@@ -1,4 +1,7 @@
 {
+  "rulesDirectory": [
+    "node_modules/codelyzer"
+  ],
   "rules": {
     "class-name": true,
     "comment-format": [