Merge pull request #108 from crashndash/greenkeeper/standard-13.0.1

Update standard to the latest version 🚀

Author: eiriksm

package.json

@@ -38,7 +38,7 @@
     "redis": "^2.8.0",
     "rimraf": "^3.0.0",
     "should": "^13.2.2",
-    "standard": "^12.0.0",
+    "standard": "^13.0.1",
     "supertest": "^4.0.2",
     "through2": "^2.0.0"
   },