LSNBLDR-451; don't offer to edit width for embed code


git-svn-id: https://source.sakaiproject.org/svn/lessonbuilder/branches/sakai-10.x@316218 66ffb92e-73f9-0310-93c1-f5514f145a0a
LSNBLDR-444; allow site to specify that folders we create are hidden


git-svn-id: https://source.sakaiproject.org/svn/lessonbuilder/branches/sakai-10.x@316220 66ffb92e-73f9-0310-93c1-f5514f145a0a