bump license version in footer
Merge pull request #354 from Connexions/license-version

bump license version in footer
Merge branch 'master' into editing
Add basic support for drag and drop
Remember when a subcollection is expanded
Remove unused dependency
Cleanup tree views
Update nav when toc is modified
Update a model's parent when moving it
Show a move cursor when hovering over draggable content
Update url bar page number when moving items in the toc
Update the page number in the url bar any time the toc is modified
Make subcollections moveable
Fix HTML duplicate attribute bug
Update a model's depth after it is moved
Remove dead code
Set max cyclomatic complexity to 19
Return undefined for depth if node has no parent
Fix loading modules outside of collections
Mark nodes that change as changed