Added key state to avatar data, started on chat entry field.
Merge branch 'master' of https://github.com/worklist/hifi

Conflicts:
	interface/src/main.cpp
Fleshing out the chat entry widget.
Merge branch 'master' of https://github.com/worklist/hifi
More chat bits; basic functionality now working.
Delete support (though the one on my numeric keypad doesn't work?),
sending key states.
Removed kludge; it turned out lighting was enabled.
Merge branch 'master' of https://github.com/worklist/hifi
Added the basic key press/message composition display.
Merge branch 'master' of https://github.com/worklist/hifi

Conflicts:
	avatar-mixer/src/main.cpp
Lowered the chat message height and put it in a variable.
Merge pull request #146 from ey6es/master

Basic text chat.  This adds fields to AvatarData and will thus break existing clients.