cdodge/fix-updates-parsing: seems like studio now uses a different HTML formatting, e.g. sections & articles rather than ol & li

make backwards compatible to read older versions of Studio produced updates

add some tests

apply_group_type_fiter_1013 added request parameter in delete function of UserCoursesDetail
https://github.com/edx-solutions/edx-platform/pull/43

Includes:
* Initial API implementation
* API_KEY header fix
* Fixed indentation error
* move api from common to lms
* Course-Group Relationships
* wip
* add parsing of overview content blob
* initial implementation
* get course updates API method
* get course static tabs API methods
* add unit tests
* fix some merge conflicts and remove some extra print statements picked up in rebase
* better constrain some of the course url regexs to expect a triple for courseId
* add ability to enroll users into courses
* wip
* add queryable group lists
* add a GET endpoint to /api/groups/{groupid}/courses to get the list of courses associated with the group (program)
* return the display names when listing all courses in a group (program)
* create optimized course tree query API endpoint
* make sure group profile data is properly serialized and deserialized. There appears to be a difference between how the Django test client handles things. Disabling unit test for now to unblock UI devs
* null guard
* fix broken unit test
* add GET endpoint to group/user relationships
* Added Security to session api as requested in #785
* Storing passoword history of user and validation for user's email and username
* Moved security tests to lms also
* add two FEATURE flag overrides to enable the security features
* remove unnecessary settings overrides (because they are 'feature flags')
* Adding ratelimiting on login api
* Migrated from Function-Based Views to Class-Based-Views
* Create new Account/Login Audit Log
* The API should provide for an audit log when a user creates a new account or logs into the system.
* UserList.post() now creates UserProfile, UserPreference records
* Group Profile fix
* Filter group subgroups by group type
* Application reorganization
* Name is now required during group creation
* Added null check for profile name
* User must reset password functionality added
* User must reset password dunctionality added
* Added user password reset functionality
* Add password reset api and implemented Password history
* Remove unused imports, password reset message text

Included commits:
* xblock-external-ui: Include CSRF token in the API answer
* xblock-external-ui: Adds support for CORS headers (cross-domain request)
* xblock-external-ui: Include full path when building local_url
* xblock-external-ui: Fix TestHandleXBlockCallback & bok_choy, add tests
* xblock-external-ui: Only return `instance` in `_invoke_xblock_handler()`
* xblock-external-ui: Group resources by hash tag to avoid duplicate loads
* xblock-external-ui: Alternate referer check for CORS requests
* session-cookie-httponly: Allow to disable httponly on session cookies
* remove errant log message
* xblock-no-anonymous: Fail early if the XBlock view is called anonymously

Switch requirements loading to paver - custom.txt is loaded by ansible

Added:
* mentoring
* image-explorer
* dragndrop (v1/v2)
* ooyala
* group project
* discussion
* adventure

Cypress online help update

disable course discovery feature by default in devstack.

Sarina/cypress ytapi upgrade

Can see if we remove skipIf from video base class.

TNL-2413

TNL-2413

Fix the Paver run_all_servers method.

Cypress - skip test that had a hardcoded date expectation

This command was broken by 85814f0b because multi-character short
options were introduced with `--asset_settings_lms` and
`--asset_settings_cms`.

lxml and setuptools for Cypress

This reverts commit 2ff0f636.

This reverts commit 1a3f0958.

Remove open source release backwards incompatible migration

Things to tack on cypress

Update Cypress RC

when removing field from _field_data_cache when rebinding a module to a new user, also remove it from _dirty_fields (TNL-2640)

This migration instantiates the modulestore which is now dependent
the xblock_django database config settings.  So the initial migration
for that has to run before this migration.