Custom LAN

• Added using a random port by leaving the Port Number field empty when using the GUI or setting it to -1 when using the /publish command.
• Added error tooltips to the Port Number and Max Players fields and a description one to the MOTD field.
• Added an explanation of banning and whitelisting to the Open to LAN screen.

• Added formatting codes using ampersands (&) instead of section signs (§) and variables (${username} and ${world}) for the MOTD.
• Added saving the settings globally or per-world.

Added banning and whitelisting using the /ban, /ban-ip, /banlist, /pardon, /pardon-ip and /whitelist commands.

Fixed the Edit LAN button acting as a Player Reporting button.

Fixed Server being suggested by the /deop command instead of the host's username.

Added a Russian translation.