Merge branch 'materials' of github.com:fuzzie360/coursemology.org into lessonbin
Add ability to collapse all entries at one go.
Add ability to collapse individual milestones.
Move Add Resources button out of table.
Animate the milestone entries using slideup/slidedown, which looks more like a collapse effect.
Merge branch 'lessonbin' of github.com:fuzzie360/coursemology.org into lessonbin
Only expand the root level in the materials file picker.
Slide the expand and collapse all commands too.
Add CSS file to custom-style material file picker.
Indicate if a node is a folder when parsing.
Add an icon to each item in the tree.
Tweak tree appearance, remove unchanged CSS.
Merge branch 'lessonbin' of github.com:fuzzie360/coursemology.org into lessonbin
Add folder icons to Workbin tree.
Show progress bar when loading file tree from server.
Merge branch 'lessonbin' into deployment