Updates!

Fixes and features for the following from the spreadsheet of doom:

"Crosspost" confusing when posting News item
"free only" button toggled on --> con still showing
Allow vidders to indicate priority when submitting vids
CDN video with videojs
Subtitles with videojs
News item note crossposted can't be deleted
Offer an upload link for users to submit hardcopies of vids in the vid submission form
special character messes up profile URL

If you run into any weirdness please let me know by email or on the Discord server, thank you!