Qeo Android messaging library + test app

This is the Qeo android messaging library and test application.

The file of interest is in QeoMessagingHelper.java, which exposes
several methods to use Qeo:
connect/disconnect/sendMessage/messageReceived
Commit the Qeo youtube player we worked on during the hackathon

This is the synchronized youtube player we demo'd during the first Qeo
hackathon