[Channel] Add a prefix to video titles
Summary:
Video links are now prepended by [Vid].
This prefix has been chosen to be neutral both in French and in English.
Fixes T657.
Test Plan:
02:40:45 < Dereckson> 22:23:12 < Fauve> Afin de f?ter l?arriv?e de Siham nous ?metons sur le salon le concert de Kenji Kawai
https://www.youtube.com/watch?v=z64HCi2rQkE
02:40:49 < Daeghrefn> [Vid] Kenji Kawai - Cinema Symphony - Ghost In The Shell OSTReviewers: fauve
Subscribers: Kaliiixx
Maniphest Tasks: T657
Differential Revision: http://devcentral.nasqueron.org/D166