update contrib info. close #5

Author: fabianmoronzirfas

package.json

@@ -22,7 +22,7 @@
     "Fabian Morón Zirfas <[email protected]> (http://fabianmoronzirfas.me)",
     "EugenTepin",
     "andyinabox",
-    "tracker1"
+    "Michael J. Ryan <tracker1@gmail.com> (https://github.com/tracker1)"
   ],
   "license": "MIT",
   "bugs": {