Fix bugs in get_youtube_id and in video update page.
Look up youtube_id from video_id; remove nodes without videos in the given language.
Rename variable names from video_id to youtube_id, where appropriate.
Bug fixing and detection; our spreadsheet is borked!
Undetected bug: failing to translate video title
Fix for #858, and extend to *actually* download videos through the update interface.
Remove duplicate download--we were downloading every video twice!!!
Optionally suppress output, to reduce cron log output.
Fixed bug in adding logging output
Solves #590, adds some new dubbed videos to the size list.
Show which language is currently selected for video download
Updating video sizes, moving to updates app (where this is used, anyway)
Merge branch 'develop' of github.com:learningequality/ka-lite into dubbed_video_updates
Put video_file_sizes.json into the language pack zip
Fix for #1397 - forgot to use dubbed video mapping.
Merge branch 'dubbed_video_updates' of github.com:bcipolli/ka-lite into dubbed_video_updates
documenting code, removing pdb
Localize videodownload command strings
Merge pull request #1390 from bcipolli/dubbed_video_updates

Enable downloading and deleting of dubbed videos through the topic tree
Fix for #1404