Log something useful when unilangs cant parse code
1916: Youtube team videos don't need credits
Revert "1916: Youtube team videos don't need credits"

This reverts commit 5304500d622332a02ca06866cdb5e54743b9093b.
1916: Youtube team videos dont need credits take 2
1916: Add credit functions should be safe

The add credit functions now determinte whether or not the credit should be
added.
1916: Add script to remove broken YT descs.
Merge branch 'production' into staging
Merge branch 'staging' into dev

Conflicts:
	apps/videos/tests.py
	apps/videos/types/youtube.py
	libs/unilangs/unilangs.py