Add vhost timestamp and assigner info to HostServ and to NS INFO output
Revert permission required for viewing vhosts back to user:auspex
Fix usercloak assigner account metadata not being cleared if assigner not logged in
nickserv/info: Reformat vHost output to fit on one line

Additionally, cache user:auspex check in has_user_auspex
Use get_source_name for vHost assigner
nickserv/info: Remove unneded lastvhostchange variable
hostserv: Add assigner argument to hs_sethost_all
nickserv/info: Hide "vHost unassigned.." from users without user:auspex