And fix get_explicitly_set to use it and to get the json not native
field values.

It's a reasonable demo of in memory xblock creation, but doesn't fit
the xblock pattern. Moving temporarily to keep the dag persistence test.

and fix some comments ref'g old names

Letting xblocks handle scope rather than separating fields into
different attrs. Although, split still shunts content fields to a
different collection than setting and children fields.

The big difference is that content fields will always be a dict and not
sometimes just a string and there's no special casing of 'data' attr.

The other mind change is no more 'metadata' dict.

Video: disable speed controls for unsupported browsers.

Fix grade range names not being editable.

Contentstore views pylint fixes

Workaround for issue

Better wording of commit

Workaround for issue

Better wording of commit

Fixed spacing

capa optioninput template was missing msg output (needed for hints)

Make split mongo read-only API consistent with other modulestores.

Add test for invalid YouTube IDs strings

Also clarifies the contraction of location.course_id by throwing an exception for lcoations that are not of category course.

Add test for course_id method.

Fix/vik/oe issues

Fix error seen in combinedopenended modules

Move the silencing of numpy's warnings into test_calc.py

..because that is where it is the most annoying/visible. Otherwise it really
has no effect on the LMS or anything else.

catch error in delete_course management script when group does not exist

Add filter for playback rates.

turn off i18n

Fix error seen in combinedopenended modules

The enrollment_action value enroll should not be translated.

Add Course Modes to LMS

adding django-admin commands to dump grades to a csv file