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/home.html

Limited image width - based on parent's width, no overlow-x

Fix Firefox event difference  -  #115

fix up flexbox differences with firefox - #115

proposed initial poc 'benchmark' ui - #115

Conflicts:
	client/views/app/privateHistory.html
	client/views/app/room.html
	client/views/app/settings.html

improve stability of callee #115

i18n: changed some eng -> rus translations