Update padding for content in folders
Merge branch 'bookish-only' into atc
Return a default mediaType if none is matched
Remove an internal Node when dropped

instead of making a copy
Dropping a Folder on a Book now works

Also, the draggable Model is stored on the jQuery element insteaad of
being looked up
Merge branch 'bookish-only' into atc
Advanced button only shows on hover
Improved sidebar DnD and hover styling
Merge branch 'bookish-only' into atc
Added colors to content types and changed expando buttons
Merge branch 'bookish-only' into atc
Removing special case code for organizational book nodes
Merge branch 'bookish-only' into atc
Moved CSS file to LESS file, added icon for container
Refactored to use nested selectors
More cleanup in the CSS
Merge branch 'bookish-only' into atc
Delays drop event so jQuery can clean up before DOM changes
Dereferencing pointers works
Dragging a Folder in a Book now registers all dropped children