fix work bin mission file publish crash
Merge branch 'dev/raymoond_dev' of github.com:Coursemology/coursemology.org into dev/raymoond_deploy
fix training publish method
Merge branch 'dev/raymoond_dev' of github.com:Coursemology/coursemology.org into dev/raymoond_deploy
Make the filesize limit 50Mb.
Make all file uploads capped at 50MB.
Merge branch 'lessonbin' of git://github.com/fuzzie360/coursemology.org into dev/raymoond_dev
Merge branch 'dev/raymoond_dev' of github.com:Coursemology/coursemology.org into dev/raymoond_deploy
Show bullet points in lesson plan descriptions.
Generalise CSS class that enables bullet points.

This name makes it more suitable to be reused elsewhere.
Move Collapse/Expand link to Milestone title.
Use only a single "Back to Top" link at the bottom.

Inspired by www.cs.tut.fi/~jkorpela/www/totop.html.
Add additional classes to lesson plan entries.
Fade virtual entries' descriptions until mouse hovers on them.
Use abbreviated month names.
Change hover trigger to be on the entire entry.
Use .label-important on "Unpublished" labels.
Move the folder controls to the top of the folder listing to indicate that the controls only operate on the current folder.
Only generate new item information when getting the directory listing as HTML.
Almost working implementation of generating a zip out of a folder.