Add subtitles migration III.

This is last step in order to remove subtitles from edx-val.

Remove subtitles migrations

Merge pull request #107 from edx/remove-migration

Remove migration for subtitles and bump the version.

Transcript secure credentials

This release contains changes for org specific credentials for transcriptions, this also removes the old subtitle related model.

Video transcript changes

This adds video transcript and their preferences functionality.

Add CourseVideo to Django Admin.

This adds course video model to django admin.

0.0.19

Add pillow, its a requirement for ImageField.

0.0.17

Filter out invalid data from course_videos list

0.0.16

• Fix image update view

0.0.15

• Delete existing video image before uploading a new one.
• DRF view to update auto generated images by VEDA

Course Video Images

• Video image support for course videos
• Support course video image for course re-run and import/export