Make changes to the Mongo modulestore format for asset metadata.

https://openedx.atlassian.net/browse/PLAT-301

Update translations (autogenerated message)

Add email opt in to old login and register pages

Support unicode ANALYTICS_DASHBOARD_NAME

Don't allow voting while the thread is closed

I open this pull to support unicode ANALYTICS_DASHBOARD_NAME

Clytwynec/dont fail diff quality for todo

fix export for openassessment drafts (PLAT-249)

Modulestore Support for Content libraries (Part of SOL-1, SOL-2, SOL-3)

Move the asset types under a top-level 'assets' dict to allow for
future arbitrary asset types.
Change 'basename' to 'pathname', since the attr is for storing the path.

Create helper function to remove duplicate code

Fix help modal css selector

This repetitive code is especially pronounced in Stanford's fork, where
we have extended the About page to include several additional fields.

This pays down some technical debt by refactoring into a shared helper.

Revert enable login/registration

Moved has_course_access from CMS to student.auth (common)

Revert "If feature flag is enabled, replace the old login/registration pages with the new combined login/registration page."

This reverts commit f40447b3.

Conflicts:
	lms/urls.py

Revert "Add support for external auth on the combined login/registration page"

This reverts commit 98875339.

Conflicts:
	lms/templates/courseware/mktg_course_about.html
	lms/urls.py

Remove antiquated cleanup script

Remove extra prerequisites style and class

Add compare-branch option to paver run_quality

When someone closes thread there is still option
to add vote which cause error when click on add
vote button. User shouldn't be able to add vote
while the thread is closed.

TNL-152

Fixed plus sign icon for overall grade range add button.

TNL-890

Refrain from setting email opt-in preference when checkbox is missing

FIX - LMS: Calculator Toggle Label Display

Add BI events for tracking email opt-ins

Conflicts:
	lms/djangoapps/mobile_api/course_info/tests.py

Make static URLs absolute in handouts, updates, and about for mobile API

Allowing email optin to work on register.

Cdodge/shopping cart touchups

Sylvia/docs/1162