Refactored Video model
Refactored Video model

- Improved performance of duplicate video lookup, by unregistering
Translatable behavior
- Normalized the lookup URL to broaden the matches (this prevents
  mismatches on something like http vs https in the URL, which is not
  interesting for the case at hand)

grrr-amsterdam/garp3,grrr-amsterdam/garp3,grrr-amsterdam/garp3,grrr-amsterdam/garp3