Enhance media link parser.
Enhance media link parser.

Accept the shorthand URI style used in the logs as valid.
Add an underscore to the DailyMotion negated group to prevent dupe abuse.

nugget/sync,bush6/sync,6IRCNet/sync,bush6/sync,pajlada/sync,pajlada/sync,bush6/sync,gv1222/sync,Poniverse/Equestria.tv,gv1222/sync,6IRCNet/sync,aykl/sync,Poniverse/Equestria.tv,nugget/sync,Poniverse/Equestria.tv,pajlada/sync,gv1222/sync,6IRCNet/sync,nugget/sync,pajlada/sync,gv1222/sync,aykl/sync