Customizable Welcome Message Type

The welcome message can now be sent in three different ways:

• Global: Broadcasts a message to the entire server.
• Public: The player executing the command sends a message in the chat (formatted by chat plugins).
• Private: Sends a direct message to the new player.
  

Configure this in config.yml using:

Additional information: the Private message type may need to be changed so that it actually sends a private message to the target (/msg).