LSNBLDR-416; group checks didn't always work for items in resources


git-svn-id: https://source.sakaiproject.org/svn/lessonbuilder/branches/sakai-10.x@312190 66ffb92e-73f9-0310-93c1-f5514f145a0a
LSNBLDR-414; change title always showed error about 0 length file


git-svn-id: https://source.sakaiproject.org/svn/lessonbuilder/branches/sakai-10.x@312191 66ffb92e-73f9-0310-93c1-f5514f145a0a