onSignClick() and onSignRemove now return boolean on success
cleaned up some things

git-svn-id: http://webauctionplus.googlecode.com/svn/trunk@348 c41ed8a6-1c15-8a3d-a996-777bd911872f
moving Building and other category icons into new category folders
finished more xml, much more to do

git-svn-id: http://webauctionplus.googlecode.com/svn/trunk@349 c41ed8a6-1c15-8a3d-a996-777bd911872f