Update repository url (#358)

Author: abetomo

package.json

@@ -14,7 +14,7 @@
   },
   "repository": {
     "type": "git",
-    "url": "git://github.com/rebelmail/node-lambda.git"
+    "url": "git://github.com/motdotla/node-lambda.git"
   },
   "keywords": [
     "lambda",