Fix CSV downloads when there are non-ASCII chars in student data, and pr...

Fix CSV downloads when there are non-ASCII chars in student data, and prefetch groups info to speed up the grades page

Make the default topic a dict so it doesn't error on courses that don't ...

Don't break on empty answer string

show full sidebar title; blockquote and list styles for comments

Feature/cale/cms remove wips

Disabled pipeline wrapper for compressed CSS.

Use display names for module edit links in the cms

Feature/cale/cms drag and drop children

onreset rerandomize option

Make saving also save the children in the #sortable element (TODO: name the #sortable element better)

Custom tabs

Feature/victor/anon deep links

Feature/cale/cms bug fixes

* specify in tabs list in course policy
  - active page tracking now done in tabs.py
  - properly handle the fact that there may be multiple textbooks

* Still need:
  - wiki pages
  - (if that's delayed, special-case syllabus support)

Feature/ibrahim/discussion cleanup

event bindings into the proper views.