Merge pull request #11016 from edx/ekafeel/bookmarks-limit

lms/envs/aws.py

lms/envs/common.py

lms/static/js/bookmarks/views/bookmark_button.js

lms/static/js/bookmarks/views/bookmarks_list.js

lms/static/js/spec/bookmarks/bookmark_button_view_spec.js

lms/static/js/spec/bookmarks/bookmarks_list_view_spec.js

openedx/core/djangoapps/bookmarks/api.py

openedx/core/djangoapps/bookmarks/models.py

openedx/core/djangoapps/bookmarks/tests/test_api.py

openedx/core/djangoapps/bookmarks/tests/test_services.py

openedx/core/djangoapps/bookmarks/tests/test_views.py

openedx/core/djangoapps/bookmarks/views.py