Apparently motherless no longer serves flv for that video (or maybe even other videos). So I changed expected extension from flv to mp4 and changed expected md5 accordingly.
It uses the same extraction process as mitele.es, but with a few small differences.
[thoughtworks] wistia support added
Direct links fail with 403, fallback on f4m for now until further investigations.
We only need to set the language when we are using a login; otherwise it will always be English.
Also, improve detection (Addresses #3662)
The javascript code contains assignments of empty dicts with the same variable name
Work in progress