Added totals for different student tracks

sorted the output, easier to read

Add is_active filter to only generate for students enrolled

Adding back total_enrollment

Removing active filter

Certs will generate for all users in the course, not just those "active"

Typo

Renaming headings to make more sense

Renaming variables to match headings
Extended Embargo feature to support site access restriction and ip network
Fix minor typo in a test
Modified EMBARGO_SITE to SITE_EMBARGOED, improved logs
some minor improvements to embargo
fix for modal appearing off-screen
added and updated pavelib/quality.py from dglance branch, deprecated rake quality tasks
create draft request gets already created version if it exists
STUD-1616
update _xmodule_recurse to ignore some exception
update _xmodule_recurse method
Merge pull request #3794 from edx/frances/fix/studio-edit-section-date-modal2

fix for modal appearing off-screen
Merge pull request #3621 from edx/han/cert-report

Added totals for different student tracks
Merge pull request #3803 from edx/release

Release
Merge pull request #2776 from aboudreault/embargo-restrict-additions

Extended Embargo feature to support site access restriction and ip network
Allow creation of components on container page

This commit implements STUD-1490, allowing creation of components
on the container page. It also enables the delete and duplicate
buttons now that new content can be created that would benefit.

Note that it also creates shared functionality for adding components,
and refactors the unit page to use it too.
Deprecate old ORA; add links to new ORA permanent docs
Merge pull request #3579 from edx/andya/container-add-buttons

Allow creation of components on container page
Merge pull request #3765 from edx/sylvia/docs/TIM-243

Sylvia/docs/tim 243
Merge pull request #3708 from edx/clytwynec/rake2paver-quality

Switch quality tasks to paver
Fixed register button on edge homepage.
LMS-2719