Enable (Disable) Alliance invitation message

+Now during the installation (or after installation in the admin panel) you can Enable (Disable) sending an in-game message to the player, if he was invited to the alliance.
+Preparing the code for Enable (Disable) "New Alliance & Embassy Mechanics"

NOTE 1: To play this version of the game, you need to reinstall the server OR you can simply add these lines of code into your file:
GameEngine/config.php

define("NEW_FUNCTIONS_ALLIANCE_INVITATION", True);
define("NEW_FUNCTIONS_EMBASSY_MECHANICS", False);

GameEngine/Admin/Mods/constant_format.tpl

define("NEW_FUNCTIONS_ALLIANCE_INVITATION", %NEW_FUNCTIONS_ALLIANCE_INVITATION%);
define("NEW_FUNCTIONS_EMBASSY_MECHANICS", %NEW_FUNCTIONS_EMBASSY_MECHANICS%);

NOTE 2: pay special attention to the fact that these are two different records !!! If the records are entered incorrectly, you will receive a non-working code!

NOTE 3: it is also necessary to follow the instructions with this change (if they were not previously executed) https://github.com/Shadowss/TravianZ/commit/11ae61c013d663304086ecfd5d845040ebf2f144

GameEngine/Alliance.php

@@ -245,7 +245,9 @@ class Alliance {
 				// Log the notice
 				$database->insertAlliNotice($session->alliance, '<a href="spieler.php?uid=' . $session->uid . '">' . addslashes($session->username) . '</a> has invited  <a href="spieler.php?uid=' . $UserData['id'] . '">' . addslashes($UserData['username']) . '</a> into the alliance.');
 				// send invitation via in-game messages
-				$database->sendMessage(
+                if(NEW_FUNCTIONS_ALLIANCE_INVITATION == false) return;
+                else {
+                    $database->sendMessage(
 				    $UserData['id'],
 				    4,
 				    'Alliance invitation.',
@@ -256,6 +258,7 @@ class Alliance {
 				    0,
 				    0,
 				    true);
+                }
 			}
 		}