Implemented server to manage a list of available servers on the internet.

- Implemented a server manager that keeps track of servers & room codes, and removes old servers
- Implemented queries to find a server with a specific room code
- Implemented protocol to register servers

#story[1281]

src/main/java/seng302/gameServer/messages/RoomCodeRequest.java

@@ -0,0 +1,24 @@
+package seng302.gameServer.messages;
+
+public class RoomCodeRequest extends Message{
+    private int size = 0;
+
+    @Override
+    public int getSize() {
+        return size;
+    }
+
+    public RoomCodeRequest(String roomCode){
+        size = roomCode.length() + 6;
+
+        setHeader(new Header(MessageType.ROOM_CODE_REQUEST, 0x01, (short)getSize()));
+        allocateBuffer();
+        writeHeaderToBuffer();
+
+        putInt(roomCode.length(), 6);
+        putBytes(roomCode.getBytes());
+
+        writeCRC();
+        rewind();
+    }
+}