Change binding to 0.0.0.0

Quick fix to allow to work inside Docker instance and behind a NAT.

core/Communication/CommunicationManager.php

@@ -293,7 +293,7 @@ class CommunicationManager implements CallbackListener, UsageInformationAble {
 					});
 				});
 				//TODO check if port is closed
-				$this->socket->listen($socketPort, $this->maniaControl->getServer()->ip);
+				$this->socket->listen($socketPort, '0.0.0.0');
 
 				Logger::log("[CommunicationManager] Socket " . $this->maniaControl->getServer()->ip . ":" . $this->socket->getPort() . " Successfully created!");
 			} catch (ConnectionException $e) {
@@ -315,4 +315,4 @@ class CommunicationManager implements CallbackListener, UsageInformationAble {
 			$communication->tick();
 		}
 	}
-}
+}