Added REQUEST_RECEIVED and DECLINED to ConnnectionStateEnum.

#story[1095]

racevisionGame/src/main/java/mock/enums/ConnectionStateEnum.java

@@ -16,14 +16,25 @@ public enum ConnectionStateEnum {
     WAITING_FOR_HANDSHAKE(1),
 
     /**
-     * The client has completed the handshake, and is connected.
+     * The server has receved a {@link network.Messages.RequestToJoin} from the client.
      */
-    CONNECTED(2),
+    REQUEST_RECEIVED(2),
+
+    /**
+     * The client has completed the handshake, and is connected.
+     * That is, the client sent a {@link network.Messages.RequestToJoin}, which was successful, and the server responded with a {@link network.Messages.JoinAcceptance}.
+     */
+    CONNECTED(3),
 
     /**
      * The client has timed out.
      */
-    TIMED_OUT(3);
+    TIMED_OUT(4),
+
+    /**
+     * The client's connection has been declined.
+     */
+    DECLINED(5);