Adding closed captions (not draggable)

cms/static/cms/js/require-config.js

common/lib/xmodule/xmodule/css/video/display.scss

common/lib/xmodule/xmodule/js/fixtures/video_all.html

...n/lib/xmodule/xmodule/js/spec/video/video_caption_spec.js

...on/lib/xmodule/xmodule/js/spec/video/video_player_spec.js

common/lib/xmodule/xmodule/js/src/video/03_video_player.js

common/lib/xmodule/xmodule/js/src/video/09_video_caption.js

common/test/acceptance/pages/lms/video/video.py

common/test/acceptance/pages/studio/video/video.py

...n/test/acceptance/tests/video/test_studio_video_editor.py

...n/test/acceptance/tests/video/test_studio_video_module.py

common/test/acceptance/tests/video/test_video_module.py

lms/envs/common.py

lms/templates/video.html