Changelog:
- Fixed LeaderHeads nm_playtimetop stat.
- Fixed usage message of 2 networkmanager extensions commands.
- Added BungeeCord build check so you can't use NetworkManager on BungeeCord builds that aren't support (Forks are excluded from this check).
- Fixed lang_ticket_notify_new, lang_ticket_notify_reply_staff, lang_ticket_notify_reply_creator messages not working correctly.
- Replaced lang_playtime_list with lang_playtime_other and lang_playtime_top.
- Fixed issue with Sessions.
- Added /nm extensions reloadconf <extension> command. None of the extensions support this command yet.