Delete old recurring_nudge_schedules_for_hour task

Merge release back to master

address coursegraph issue where components had the same block id but …

Adding spanish certificate template partials learner-1996 

Remove all usage of the django-simple-history module.

Rewrite program marketing page to use Bootstrap and change design to look more like other marketing design

to the Micromasters page

Fix get_enterprise_customer api cache key.

Upsell nudges for unverified users

LEARNER-2819: Fix caching of course_outline_root_block.

Add RTL support for Bootstrap CSS

ENT-704

Fixed typos in comment and config  message.

LEARNER-2819

Modified criteria for upselling. User must have a dynamic deadline to receive an email with an upsell button

Separate the date and link logic out of VerifiedUpgradeDeadlineBlock, so that it can be called directly with prefetched data for check_and_get_upgrade_link_and_date

Fixed problem with non-Latin characters in loncapa/python problems

Fix get_enterprise_customer api cache key.

ENT-704

LEARNER-1705

Grades: Fix ZeroDivisionError

Merge release back to master

extended parameters of non-language-specific custom certificate templates

delete_course command with course keys containing unicode chars

Fixed score update on rescore

Sass quality fixes in the LMS

LEARNER-2412 Use local currency in LMS

LEARNER-2412