Remove broken old UI's
Group options by their type

Looks nicer in small frames
Nicklist: hide horizontal overflow
Qui: break-word on irc lines

without this, long lines can run off the edge of the screen and create
a very ugly horizontal scrollbar. particuarly joins/parts with long
hostnames.
Merge pull request #39 from ariscop/fixes

Remove old and broken UI options, clean up option pane, and prevent horizontal scroll issues with additional overflow/wordwrap CSS.