Fixed some sql errors that could occur when using MariaDB.
Fixed maintenance mode not working when using MariaDB.
Handle bulk language message updating different for mysql to fix errors.
Use message with replacements applied when checking for swear words.
Added ChatLock functions to ChatManager class
Added ClearChatEvent (doesn't work with RedisBungee at the moment)
Fixed error about missing permission table on start in some cases.
Added new lang_chatlock_locked_server and lang_chatlock_unlocked_server message
Changed luckperms context servergroup to server-group
Updated Clearchat command to have the same command structure as chatlock. Meaning /clearchat will clear the chat on all servers and /clearchat \<server> will clear the chat on the defined server.