Adding django default log handlers into logging configuration
Add missing mimetypes for xblock resources
Add mimetype additions in studio startup
Adding template tag to render the microsite favicon
Adding template tag to render microsite css_overrides_file
Explicitly skip tests in common unless we know we're running the LMS unittest suite
skip failing test
add lms_base and cms_base values to bokchoy envs
Make Studio able to handle deprecated key formats in urls
Uses ModuleStoreEnum in is_xblock_visible_to_students
Get active student count from new analytics data API

Disabled by default.
Do not refund student if a certificate entry already exists for them.

LMS-2920
Merge pull request #4262 from edx/usman/lms2920-no-refund-if-given-certificate

Do not refund student if a certificate entry already exists for them.
Moved GeneratedCertificates.MODES back inside model.

LMS-6631
Merge pull request #4268 from edx/usman/lms6631-certificate-mode

Moved GeneratedCertificates.MODES back inside model.
Fixed urlpatterns regex for support views in dashboard app.

LMS-6634
Merge pull request #4281 from edx/usman/lms6634-support-page-url-matching

Fixed urlpatterns regex for support views in dashboard app.
Misuse of 'gettext' into mako templates

To translate strings in mako templates, the pattern of ```${_()}``` should be used instead of ```gettext``` even if the strings to be translated is located in a ```script``` block.
Updated Course End Date info
Merge pull request #4272 from edx/markhoeber/documentation/doc-298

Updated Course End Date info