Level now uses the universal wizard thang type.
Removed a link to the old team view.
Removed the old team view cruft.
Added team icons to the ladder play view.
Merge remote-tracking branch 'origin/master'

Conflicts:
	app/templates/play/ladder/ladder_tab.jade
Merge branch 'master' of https://github.com/codecombat/codecombat

Conflicts:
	app/templates/play/ladder/ladder_tab.jade