Merge Release back to Master

Event-testing pattern should be made available in a Mixin.

Rc/2015 02 26

add extra logging for postpay callbacks from cybersource (ECOM-1034) (EC...

Implement profile API

TNL-1491

See the API design here:

https://openedx.atlassian.net/wiki/display/TNL/User+API

ECOM-1139: Example certificates.

Show the payment section if no contribution amount is selected

Add the ability to generate "example" certificates to
test that certificate generation is working correctly for a course.

Add the ability to enable/disable self-generated certificates
on a per-course basis.

Update translations (autogenerated message)

Make pep8 failure output easier to understand.

We are not using the limit flag in the actual run_pep8 method; removing
that from scripts. Operationally, pep8 has been enforcing a limit of
zero for awhile; this finishes that realization.

Also, all pep8 reports now appear under the reports/pep8 folder, rather than
per-system.

Revert "Refactor quality checks"

This reverts commit 19c767eb.

This reverts commit 747756a9.

<nav> for the footer and navigation does not include aria-label

Alison's Hackathon9 changes

PLAT-454: Fix import error when exported course edited.

Unicode handling for transcript filename

TNL-1253 https://openedx.atlassian.net/browse/TNL-1253

Fix pep8 violation.

Fixed Celery Serialization Bug

Add name and email change requests to accounts API.

Name change is immediate, email change is multi-step.

Extend PEP8 coverage

Delete ENABLE_NEW_DASHBOARD code.

Teach edx-mako to force csrf_tokens to unicode (from smart_strings)