Added the option to configure OptimismBot's username.

e.g. type this into the console: setUserName("OptimalBot")
Add a basic UI for Optimism Bot!

It's only connected when the window is visible now though. This can be fixed
by doing inter-window post-messages though, if desired.
add a basic UI for displaying and sending messages
Merge remote-tracking branch 'rictic/master'

Rictic's UI additions.
Conflicts:
	ircconnect.js
Merge remote-tracking branch 'rictic/master'

Conflicts:
	ircconnect.js