Merge pull request #12995 from edx/saleem-latif/WL-300

cms/envs/aws.py

cms/envs/bok_choy.env.json

cms/startup.py

cms/tests/test_startup.py

...angoapps/edxmako/management/commands/preprocess_assets.py

common/djangoapps/embargo/messages.py

common/djangoapps/embargo/tests/test_views.py

common/djangoapps/embargo/views.py

...on/djangoapps/pipeline_mako/templates/static_content.html

...st/test-theme/lms/templates/static_templates/embargo.html

lms/djangoapps/courseware/tests/test_favicon.py

lms/envs/aws.py

lms/envs/bok_choy.env.json

lms/envs/common.py

lms/startup.py

lms/static/sass/lms-course-rtl.scss

lms/static/sass/lms-course.scss

lms/static/sass/lms-footer-rtl.scss

lms/static/sass/lms-footer.scss

lms/static/sass/lms-main-v1-rtl.scss