Merge pull request #14444 from edx/aj/TNL-6381_upsell_msg

...tatic/sass/edx-pattern-library-shims/base/_variables.scss

lms/djangoapps/courseware/tests/test_date_summary.py

lms/djangoapps/courseware/views/views.py

lms/static/images/edx-verified-mini-cert.png

lms/static/js/courseware/course_home_events.js

lms/static/js/fixtures/courseware/course_home_events.html

lms/static/js/spec/courseware/course_home_events_spec.js

lms/static/sass/course/_info.scss

lms/templates/courseware/info.html