Update XBlock version

Changed css_selector

Send e-mail to STUDIO_REQUEST_EMAIL when user requests course creator privileges

Fix Firefox subsection datetime bug

Fix videoalpha import from xml

Add "Word Cloud" acceptance tests

VideoAlphaDescriptor inherits from EmptyDataRawDescriptor.
EmptyDataRawDescriptor is used for modules which might not have any
XML data, but require XmlDescriptor's functionality for
export/import. Without it, VideoAlphaModule would cause a crash on
export if any modules had an empty `self.data` field.

Don't use default video if HTML5 sources are given.

Clicking "Sync to <course>" should send an AJAX request with the datetimes
set to null, so that the server resets them.

Assign isExternal JS function to window object

Fix offline_gradecalc

When JS functions are defined with names, they are local variables, and inaccessible
if defined inside a closure. Django-Pipeline concatenates all of our JS into one
big closure. This function explicitly assings the function to a property of the
`window` object, so that it is accessible to other JS functions.

Also fixes a bug where message was not sent to user when entering 'denied'
state unless the user was previously in 'granted'.

Send notification to admin when a user enters 'pending' state.

Pylint cleanup.

Auto-enroll course staff to fix "View Live".

tz fix in openendedchild

Integrate JsonResponse into lms/djangoapps/instructor/views/api.py

template fixes on instructor dash

Bump up pip requirement to latest.

Peter fogg/remove videoalpha xml

tie in the normal courseware link url rewriting in capa module since tha...

Small fixup to final print statement in Create Dev Env script

Feature/cdodge/display location information in course listings