WIP: Adapted the old server thread class to the GameServerThread class to allow multiple clients to connect

tags: #story[1047]  #pair[wmu16, mra106]

src/main/java/seng302/gameServer/ClientConnectionDelegate.java

@@ -0,0 +1,7 @@
+package seng302.gameServer;
+
+import seng302.models.Player;
+
+public interface ClientConnectionDelegate {
+    void clientConnected(Player player);
+}