Removed unused rake tasks

MITX_ROOT_URL => EDX_ROOT_URL

Studio: FIX - reinstating Terms of Service and Privacy Policy references

Documentation/new studio doc/12 04 13

Make runone work with more test output.

mitx_markdown => edx_markdown

Studio: adding back in links (and supporting styling) to ToS and Privacy Policy to footer and sign up UI
STUD-151

Disable Peer Track Changes

Worked through Andy's list

Continued Editorial work

update to checking student progress, create new course, index, open
response assessment

New documentation from rewrite, audit, and integration of some
documentation from edx101.  Intent to release by training on 12/5.

settings.MITX_FEATURES => settings.FEATURES

Change video transcripts to use locators instead of locations.

STUD-1008

For a smoother transition to the new world

mitxmako => edxmako

Show full diffs in ResponseType tests.

Add basic tests of gradeset iteration.

LTI: Add display name.

Fix Numerical input to support mathematical operations.

Add feature to do auto signup with external auth

Improve accessibility of inline discussions

Improve auth handling of Locators

Ensure user admin screen gets the union of all possibly matching group names.
Smarter default group naming.
STUD-1003

Improve calculator's tooltip accessibility.