Moved new-message/highlight css class up a level

They used to be on the inner status div, now they're on the li, for a
little flexibility in them.
Merge pull request #181 from rahatarmanahmed/master

Moved new-message/highlight css class up a level
Changed hiding channel list to css

Also helpful for theming. At least for my theme :P
Added Squelch theme

There may be some weird parts I missed, so let me know (I'm rahat on
Freenode).
Make ZNC timestamps work with ACTION
Remove space between timestamp/nick and nick/message
Merge branch 'master' of https://github.com/mephux/komanda
Big cleanup + small bugfix
Fix cleanup mistakes