Carousel bug fixes

git-svn-id: https://energine.googlecode.com/svn/trunk@2784 acdd3125-bb50-0410-93b3-95ffde4b7c7d
fixed empty sql expression

git-svn-id: https://energine.googlecode.com/svn/trunk@2786 acdd3125-bb50-0410-93b3-95ffde4b7c7d
hotfix

git-svn-id: https://energine.googlecode.com/svn/trunk@2788 acdd3125-bb50-0410-93b3-95ffde4b7c7d