Since this update contains many changes to the database it is adviced that you backup your database before updating!

Changes:
- Fixed lang_lockdown_kick message not replacing the placeholders.
- Fixed lang_lockdown_success message not replacing the placeholders.
- Fixed lang_tickets_resetpassword_cooldown message not replacing the placeholders.
- Fixed lang_ticket_notify_reply_creator message not replacing the placeholders.
- Fixed lang_punishment_cant_punish message not always replacing the placeholders.
- Legacy placeholders will no longer work in the tabheader and tabfooter.
- Fixed some bugs in the filter system after last update.
- Added experimental support for servergroups to the permission system.
- Updated mariadb driver to 2.7.8
- Should have fixed party chat not working during mute.
- Added /nm test notification to test web push notifications.

Updated the following messages (Note that these will reset to their default value after updating):
- lang_report_cooldown
- lang_party_invite_syntax
- lang_party_join_syntax
- lang_party_chat_syntax
- lang_party_jump_syntax
- lang_party_setowner_syntax
- lang_party_setpublic_syntax
- lang_party_leave_syntax
- lang_party_kick_syntax
- lang_party_status_syntax
- lang_history_header
- lang_party_leave
- lang_party_left
- lang_party_kicked
- lang_party_kicked_alert
- lang_party_invite_receive
- lang_party_invite_expired_owner
- lang_party_invite_expired_player
- lang_party_chatformat
- lang_party_newowner_found
- lang_party_newowner_set
- lang_party_invite_sended
- lang_party_join
- lang_party_status_header
- lang_party_status_owner
- lang_party_status_members
- lang_party_status_member
- lang_party_reached_limit
- lang_party_cant_invite_ignore
- lang_party_has_no_party
- lang_party_no_invitation
- lang_party_no_member
- lang_helpop_alert
- lang_helpop_success
- lang_helpop_cooldown
- lang_announce_announced_server
- lang_chatlock_locked_alert
- lang_chatlock_islocked
- lang_clearchat_server_success
- lang_clearchat_global
- lang_clearchat_server