Merge branch 'release'

cms/templates/widgets/footer.html

cms/wsgi.py

common/lib/xmodule/xmodule/tabs.py

common/test/acceptance/fixtures/course.py

common/test/acceptance/tests/lms/test_lms.py

lms/djangoapps/courseware/tests/test_tabs.py

lms/static/sass/shared/_footer.scss

lms/templates/footer-edx-new.html

lms/templates/verify_student/make_payment_step.underscore

lms/wsgi.py

openedx/core/operations.py

requirements/edx/base.txt

requirements/edx/pre.txt