Merge pull request #19 from halton/master

[ARDrone][Video] Add 'deviceready' event and init() function
[ARDrone][Video] Turn FPS

Add height/width attribtue for P264Frame.
Turn latency as 500ms to reduce slpash.
Remove ardone example
[ARDrone][Pilot] Change pilot namespace
[ARDrone][Pilot] Support of customized ip address.