#727: PublishDraftContent fixed.
#739 Images gallery: only image folders are returned; doesn't include inactive image versions to counts;
#730: preview image for gallery widgets added.
Merge branch 'dev' of ssh://github.com/devbridge/BetterCMS into dev
#732 Fixed ko.grid: when canceling edit mode after failed save
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
Merge branch 'dev'