Switch subtitle availability stamp to use a list of dictionaries.
Created a new fle_utils app with the Handlebars static files.
Added the handlebars app to the distributed app's INSTALLED_APPS.
Moved the splat_handler url pattern after cryptologin to enable latter.
Handlebars helper "ifcond" for making specific boolean comparisons.
Handlebars wrapper to store templates globally and compile lazily.
Helper to find/load Handlebars templates from any installed Django app.
Endpoint/template for rendering a JS file containing HB template text.
Adapted video template and JS to use Backbone wrapper with HB template.
Restructuring to prepare for turning video wrapper into Handlebars.
Fix GET_EXERCISE_LOGS_URL bug hopefully in the same way everyone else did
Render entire video with wrapper via Handlebars/Backbone.
Incorporate video language switching into backbone views.
Keep same language across videos when clicking next/back links.
Moved video_backbone.html onto video.html
Remove old video handler view and make backbone version default.
Merge branch 'nalanda-rct2' of github.com:learningequality/ka-lite into backboned_videos
Merge pull request #2108 from jamalex/backboned_videos

Fully convert video player code over to Backbone.js, so it can be loaded onto any page