Added the client-side entity loader.
Removed the timestamp from the url when scrolled to bottom.
Callback of any {{type}}-up event emitted on the client will we put on hold until a dn event happens.
the error and action for a callback on emit is the new object received from the server.
Merge branch 'development' into overhaul

Conflicts:
	interface/interface-client.js
	public/s/components/compose.js
	ui/chat-area.js
Resolving the conflicts missed in the previous merge.
adding back satya's code that was missed out in the merge.
fixing the issue of not sending sessionID.
Adding the client entity loader file.
Adding the priority for the client-entityloader.
Fixing the multiple back messages problem.
Merge branch 'dev/temp' into overhaul

Conflicts:
	irc/irc.js
	leveldb-storage/schemas/roomuser.js
fixing the signup bug. adding the basic error handling for the room events.
all irc and twitter errors are part of room params now
Added quicknotify plugin to lace
Fix quick notification in responsive view
Add an error message in settings page
Adding the basic setup for handling partially saved room.
Merge branch 'overhaul' of github.com:scrollback/scrollback into overhaul

Conflicts:
	socket/socket-client.js
Merge branch 'webby' into overhaul

Conflicts:
	irc/irc-client.js
	socket/socket-client.js
	ui/chat.js
	ui/customization.js
	ui/settings-area.js
Fixed the bugs in anti-abuse and css customization.js