Merge pull request #1 from pegnovi/master

DataChannels added
Merge pull request #2 from pegnovi/master

Merge changes from pegnovi's github
Merge pull request #3 from pegnovi/master

Changed order of adding client to group
Expanding chat thing. Super ugly
Drawing now works with webrtc. Colors now work. Resizing paint brush now works. UI still needs some fixing.
Merge pull request #4 from GilbertLS/master

Drawing now works!!