Add captions to legacy videos

[pdpinch]

A number of legacy (Plone) courses have had captions added in 3Play.

I thought the captions would be added automatically when the course was published, but we may have deliberately prevented that to avoid duplicate video transcaodes and caption orders.

Acceptance Criteria:

• [ ] make a proposal of how to address this, whether by data migration, management command, data entry through studio or something else

Ten legacy (Plone) courses have captions available in 3Play now:

• [ ] MIT 2.57 Nano-to-Micro Transport Processes, Spring 2012
• [ ] MIT SP.775 D-Lab: Energy, Spring 2011
• [ ] MIT 6.035 Computer Language Engineering, Fall 2005
• [ ] MIT 20.010J Introduction to Bioengineering, Spring 2006
• [ ] MIT 5.80 Small-Molecule Spectroscopy and Dynamics, Fall 2008
• [ ] MIT 6.013 Electromagnetics and Applications, Fall 2005
• [ ] MIT 4.125 Architecture Studio: Building in Landscapes
• [ ] RES.6-001 Electromagnetic Fields and Energy
• [ ] 21F.223 Listening, Speaking, and Pronunciation
• [ ] MIT 21A.550J/STS.064J DV Lab: Documenting Science Through Video and New Media, Spring 2011

[pdpinch]

I'm asking to find out the scope of this, i.e. how many videos and whether there will be more courses added to the list.

[pdpinch]

This has been more or less superseded by https://github.com/mitodl/hq/issues/1555