Added Entitlement API

Ability to set HOMEPAGE_COURSE_MAX via SiteConfiguration.

LMS urls cleanup for Django 1.11 part 3

LMS urls cleanup for Django 1.11

hold back some users from dynamic pacing features

The Entitlement API will allow for GET, POST, DELETE(Revoke), and
variations of these methods of managing and retrieving data about
Learner Entitlements.
[LEARNER-2661]

The setting controls the number of courses displayed on the homepage.

Move back to upstream edx-sga requirement.

fix capa hint focus

Remove unused nose settings and plugin

LEARNER-2921 Fix i18n for certificates

Move lti_provider/email_marketing startup to AppConfig ready.

LEARNER-2921

common urls cleanup for Django 1.11

EDUCATOR-1555

- Remove usage of django.urls.patterns
- Change urls tuples to lists
- Make all string view names callables
- This is the third urls update for LMS

Revert "Transcript secure credentials"

- Remove usage of django.urls.patterns
- Change urls tuples to lists
- Make all string view names callables
- This is the first of several urls updates for LMS; a work in progress

Upgrade django-cors-headers for Django 1.11 support

- Remove usage of django.urls.patterns
- Change urls tuples to lists
- Make all string view names callables

rtl support for ACE emails

PLAT-1774 Move x_module monkey-patching

Update lettuce and bok-choy db caches

Fix for tex2jax \tag{} width issue

Transcript secure credentials

EDUCATOR-1335 - This Adds a dedicated app which is responsible for communication with edx-video-pipeline service. It also adds the backend for saving 3rd party transcription service credentials on edx-video-pipline and cache it in edx-val.

Add Cielo Username

- EDUCATOR-1456

ENT-711: enterprise version upgrade to 0.53.11

Yro/EDUCATOR 1554

LMS urls cleanup pt. 2