LSNBLDR-208 - distinguish delete button from rest - add new method for resizing portlet after dom changes, rearrange add resource/multimedia controls from common to less common, add CSS that belongs in skin to the tool for now

git-svn-id: https://source.sakaiproject.org/svn/lessonbuilder/branches/LSNBLDR-208@122537 66ffb92e-73f9-0310-93c1-f5514f145a0a