Merge pull request #913 from appleboy/patch-3

Add a push notification server (gorush).

README.md

@@ -546,6 +546,7 @@ See [go-hardware](https://github.com/rakyll/go-hardware) for a comprehensive lis
 * [go-notify](https://github.com/TheCreeper/go-notify) - Native implementation of the freedesktop notification spec.
 * [go-nsq](https://github.com/nsqio/go-nsq) - the official Go package for NSQ
 * [gopush-cluster](https://github.com/Terry-Mao/gopush-cluster) - gopush-cluster is a go push server cluster.
+* [gorush](https://github.com/appleboy/gorush) - A push notification server using [APNs2](https://github.com/sideshow/apns2) and google [GCM](https://github.com/google/go-gcm).
 * [machinery](https://github.com/RichardKnop/machinery) - An asynchronous task queue/job queue based on distributed message passing.
 * [mangos](https://github.com/go-mangos/mangos) - Pure go implementation of the Nanomsg ("Scalable Protocols") with transport interoperability.
 * [NATS](https://github.com/nats-io/nats) - A lightweight and highly performant publish-subscribe and distributed queueing messaging system.