pusher/pusher-gem — pull request #28 by toshi3221 (2012-09-29 03:32:31+00:00)
Title: Implement request via http_proxy

If in addition to the security credentials, the request over HTTP Proxy is configured as follows:

```ruby
Pusher.http_proxy = 'http://(user):(password)@(host):(port)'
```

I newly pull-requested from #27 because proxy branch is rebase.