Fix scroll pane issues with drop down menus

git-svn-id: http://svn.slightlymagic.net/forge/trunk@26541 269b9781-a132-4a9b-9d4e-f004f1b56b58
Version bump to 1.5.22.001

git-svn-id: http://svn.slightlymagic.net/forge/trunk@26542 269b9781-a132-4a9b-9d4e-f004f1b56b58