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
Remove course ID from title in course about page
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.
BLD-1117: Add read-only list of Group Configurations.
Revert "ORA2 release-2014-06-30T13.39; update EASE to bump the NLTK version to 2.0.4"

This reverts commit f40834fa2ff09c39690659658029614a2c5b6034.
Missing "_()" in course_module.py
Make the strings in "Advanced Settings" page localizable

The fields should be translated before render into html templates.
Merge pull request #4286 from louyihua/studio-advanced-settings-localization

Make the strings in "Advanced Settings" page localizable
Add FEATURE['ENABLE_GROUP_CONFIGURATIONS'] and os.environ['FEATURE_GROUP_CONFIGURATIONS'].