LSNBLDR-289

Added item drop downs to the index (TOC) page. On by default but can be disabled
with lessonbuilder.enable-show-items=false in the props.


git-svn-id: https://source.sakaiproject.org/svn/lessonbuilder/trunk@129750 66ffb92e-73f9-0310-93c1-f5514f145a0a