chore(package): update tslint to version 4.0.0 (#231)

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -55,7 +55,7 @@
     "rimraf": "2.5.4",
     "source-map-support": "0.4.6",
     "standard-version": "3.0.0",
-    "tslint": "3.15.1",
+    "tslint": "4.0.0",
     "typescript": "2.0.10"
   },
   "dependencies": {