mozilla-appmaker/appmaker — pull request #1565 by flukeout (2014-06-26 16:23:41+00:00)
Title: Column Updates

* Made columns dismissable instead of expandable
* Removed the 'expanded' brick tray column mode
* Made the channel lines fade out
* Columns get a little wider when there is more room
* Channel menus now have a higher z-index than the left and right columns