Merge pull request #2365 from edx/anton/store-video-progress

CHANGELOG.rst

cms/djangoapps/contentstore/features/video.feature

cms/djangoapps/contentstore/features/video.py

common/lib/xmodule/xmodule/fields.py

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

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

common/lib/xmodule/xmodule/js/fixtures/video_html5.html

...on/lib/xmodule/xmodule/js/fixtures/video_no_captions.html

...on/lib/xmodule/xmodule/js/fixtures/video_yt_multiple.html

common/lib/xmodule/xmodule/js/spec/helper.js

.../lib/xmodule/xmodule/js/spec/video/cookie_storage_spec.js

common/lib/xmodule/xmodule/js/spec/video/events_spec.js

common/lib/xmodule/xmodule/js/spec/video/general_spec.js

common/lib/xmodule/xmodule/js/spec/video/html5_video_spec.js

common/lib/xmodule/xmodule/js/spec/video/initialize_spec.js

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

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

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

...odule/xmodule/js/spec/video/video_progress_slider_spec.js

...odule/xmodule/js/spec/video/video_quality_control_spec.js