Subo las colas totalmente integradas con el resto. He hecho pruebas, y todo
funciona.

 On branch issue_34_queues
 Changes to be committed:

	modified:   database/imageRepository/imageRepositoryDB.py
	modified:   database/utils/connector.py
	modified:   database/vmServer/vmServerDB.py
	modified:   imageRepository/imageRepository.py
	modified:   network/packets/packet.py
	modified:   virtualMachineServer/reactor/vmServerReactor.py
	modified:   virtualMachineServer/threads/compressionThread.py
	modified:   virtualMachineServer/threads/fileTransferThread.py