Fixed: minor bugs for ZeroPush support refs #196
Added: PushIt support refs #196

https://github.com/codefirst/push-it/
Fixed: passed wrong room.id like BSON::ObjectId('xxxxxxxx') to 'xxxxxxxx' refs #196
Fixed: broken push notifications refs #196
Refactored: remove unused code refs #196
Merge pull request #196 from mallowlabs/id/196

Add PushIt support