Add a test for Django-based file uploads to problems.
Added rake commands for devstack
Release notes for 12-18-2013

First draft
Release notes edits

Release notes edits
Rename BlockUsageLocator's block_id field from usage_id
usage_id implies self-sufficiency. The block_id is relative to its structure.
Update to the latest version of lettuce
Add information to xblocks about when they complete initialization that's visible in javascript
Studio: updating font face imports
* since Sass can now process @import rules
* to simplify the number of external calls
* maintains the http/https agnostic work
* removes unused Bree Serif font face
LMS: changing Open Sans font reference
* uses Google Web Fonts reference rather than local files
* removes unused local font files
* adds in semi-bold weight support
Typos

Fixed a few typos in Building a course document
Removed number from RN TOC

Removed number from RN TOC
Fixed image

fixed image path
Added alt text to image

accessibility
script bombs if comments include unicode
Rebalance acceptance test shards
Update changelog with studio marketing site feature
Added Selenium page objects for LMS and studio
Properly format errors/warnings.

STUD-1063
Merge pull request #2009 from edx/markhoeber/documentation/release-notes-12-17-13

Markhoeber/documentation/release notes 12 17 13
Set review timeframe more appropriately in contributing docs