deps: update mongodb@2.2.5

Author: hex7c0

package.json

@@ -27,7 +27,7 @@
     "bson": "0.5.2",
     "graceful-fs": "4.1.5",
     "logger-request": "3.6.1",
-    "mongodb": "2.2.4",
+    "mongodb": "2.2.5",
     "tar": "2.2.1"
   },
   "devDependencies": {