Merge pull request #9 from ellerbrock/greenkeeper/standard-version-4.2.0

Update standard-version to the latest version 🚀

Author: ellerbrock

package.json

@@ -44,7 +44,7 @@
     "jshint": "^2.9.4",
     "mocha": "*",
     "shelljs": "^0.7.5",
-    "standard-version": "4.0.0",
+    "standard-version": "4.2.0",
     "through2": "^2.0.3"
   },
   "dependencies": {