Added emitEvent methods

Added emitEvent methods, used to emit events without arguments.
Fixed indentation

Changed tabs to spaces
fixed callback for Socket.io

instead of `SocketIOConnectCallback`, `com.koushikdutta.async.http.socketio.ConnectCallback` is used
Merge pull request #83 from chester1000/master

fixed documentation for Socket.io example (proper callback is now used)
DiskLruCache: Add getValueCount

Change-Id: Ie36374af05c9bc2d8d0cbda8ec545b9cb3400469
Merge remote-tracking branch 'koush/master' into cm-10.2
AsyncSocketMiddleware: limit concurrent http connections.

Change-Id: If85d9ab4fa285d5a52f118dfcf50f83e28d3b671
Add support for multicast dns
Merge pull request #80 from IlyaGulya/feature

Added emitEvent methods
Implement AsyncHttpServerResponse.sendStream
Merge branch 'koush-authority/master'
fix dupe getvaluecount introduced by meeee