timestamp is not updated when a message is sent.

The ChatRoom update selector referenced the wrong (non-existant) field.
Thus, the room's message count was never incremented.  Also fixes issue
where the room's last message timestamp is not set on the room document.

reset video chat mode when user close flex tab directly + minor webrtc edge cond fix #115

I18n grammatical gender

add Video Chat HD and fullscreen modes for web-rtc #115

This reverts commit 03a0bf74.

Typing status from data.ChatTyping collection

Make startTyping and stopTyping trigger on keyup instead of keydown (better checking of input field);

Make startTyping and stopTyping trigger on keyup instead of keydown (better checking of input field);

Typing subscription set in autotracker on startup;
Removed client side stub for typing message notification;

# Conflicts:
#	client/views/app/room.html