Added RTSP Server

Added the RTSP Server.  This will allow the device to act as a IP
Camera.
Also added a ImageUtil Class to help share the compression code.

References:
*
http://stackoverflow.com/questions/14815103/android-streaming-the-camera-as-mjpeg
* http://tools.ietf.org/html/draft-ietf-mmusic-rfc2326bis-40#section-1