Merge pull request #237 from AtomLinter/renovate/tslint-5.x

fix(deps): update dependency tslint to v5.12.1

Author: Arcanemagus

package-lock.json

@@ -70,7 +70,7 @@
     "escape-html": "^1.0.3",
     "loophole": "^1.1.0",
     "resolve": "^1.2.0",
-    "tslint": "5.9.0",
+    "tslint": "5.12.1",
     "tslint-rule-documentation": "^1.0.1",
     "typescript": "2.6.2"
   },