Merge pull request #13 from trygve-lie/greenkeeper-tap-2.2.0

Update tap to version 2.2.0 🚀

Author: trygve-lie

package.json

@@ -31,6 +31,6 @@
   "devDependencies": {
     "request-debug": "0.2.0",
     "jshint": "2.8.0",
-    "tap": "2.1.1"
+    "tap": "2.2.0"
   }
 }