Merge pull request #14790 from edx/andya/course-redirects

common/djangoapps/course_modes/tests/test_views.py

common/djangoapps/course_modes/views.py

common/djangoapps/enrollment/tests/test_views.py

common/djangoapps/enrollment/views.py

common/djangoapps/student/views.py

common/djangoapps/third_party_auth/settings.py

common/djangoapps/third_party_auth/tests/test_settings.py

lms/djangoapps/course_wiki/middleware.py

lms/djangoapps/course_wiki/tests/tests.py

lms/djangoapps/course_wiki/views.py

lms/djangoapps/courseware/tests/test_course_info.py

lms/djangoapps/courseware/tests/test_view_authentication.py

lms/djangoapps/courseware/tests/test_views.py

lms/djangoapps/courseware/views/index.py

lms/djangoapps/courseware/views/views.py

lms/djangoapps/discussion/tests/test_views.py

lms/djangoapps/discussion/views.py

lms/djangoapps/student_account/views.py

lms/envs/common.py

lms/templates/navigation.html