chore(package): update nock to version 2.16.0

http://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -31,7 +31,7 @@
   "devDependencies": {
     "request-debug": "0.2.0",
     "jshint": "2.8.0",
-    "nock": "2.15.0",
+    "nock": "2.16.0",
     "tap": "2.2.0"
   }
 }