- Update hybrid protocol module:
  - SVSJOIN to a +k channel requires to send the channel key within the SVSJOIN command
  - SVINFO can be prefixed wit the server's name
  - Use UID for SVSNICK if possible
- os_svs.cpp: the ircd-hybrid and unreal protocol modules are required to provide a channel
  key along the SVSJOIN command in order to successfully join a user into a +k channel