Refresh dubbed video mappings before zipping, and within git-based update
Clean up paths & structure across files, to share more, assume less.
this file is a local-only file.
Remove subtitle map from repo.
Make dubbed video map have a graceful fallback.
Add latest dubbed video map to all language packs.
Merge branch 'i18n_cleanup_2' into 1164

Conflicts:
	kalite/i18n/management/commands/generate_subtitle_map.py
	kalite/i18n/management/commands/update_language_packs.py
	kalite/management/commands/zip_kalite.py
Moving dubbed video files to the proper location on the distributed server, after language pack download
Merge pull request #1286 from bcipolli/1164

Add dubbed video mapping file into language packs