* Cross-Server now offers an optional MySQL feature, enabling the use of a database for transferring destination coordinates and portal commands to a destination server

  - To determine the coordinates a player will be sent to on their destination server, use the new "/simpleportals <setswitchlocation|ssl> <portal>" command
  - Ensure each server on the network has the SimplePortals plugin installed and the MySQL settings are personalized for EACH server (server-name option in particular)
  - Cross-Server commands are simple, just add commands to the origin portal and the plugin will do the rest

* Portals now save a new location named "Switch Server Location," serving as the destination when players are transferred to another server through the configured portal
  - Use the "/simpleportals <setswitchlocation|ssl> <portal>" command to set the "Switch Server Location" to the current position of the command sender
  - The "switch-server-set-message" message in the lang.yml was modified to remind the sender to also set the location
  - Added the "switch-location-set-message", "invalid-world", "invalid-coordinate" message to the lang.yml

* The "join-protection" option was removed from the config.yml
  - Replaced with the "portal-to-portal-protection" option, now players joining the server, spawning, or teleporting into a portal's region will be restricted from teleporting until they leave the portal area.

* Force joining will now also force the player to the set location when respawning (unless the player has a bed or a valid spawn point)

* Fixed an issue causing Nether and End portal replacement locations to not function as intended

Signed-off-by: XZot1K <alexosborne54@gmail.com>

Author: XZot1K