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

First draft
LTI additional Python tests. LTI must use HTTPS for lis_outcome_service_url.

BLD-564.
Fix lis_outcome_service_url sending.
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
Merge pull request #1979 from edx/alex/lti_fixes_to_release

Alex/lti fixes to release
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
Fixing email link injection bug

Several templates used a variable set by the user (the request host header).  This led to a vulnerability where an attacker could inject their domain name into these templates (i.e., activation emails).  This patch fixes this vulnerability.

LMS-532
Added flag for lms-specific functionality

Studio doesn't do email changes, thus has no email reset template; thus, we must disable password/email-reset related tests when running with studio settings
Added alt text to image

accessibility
script bombs if comments include unicode
Rebalance acceptance test shards
Update changelog with studio marketing site feature