Subo servidor de máquinas virtuales con descarga y descompresión de la imagen.
Todo está a punto para arrancarla. Seguiré con esto.

 On branch issue_34
 Changes to be committed:

	modified:   ccutils/threads.py
	modified:   testing/virtualMachineServerTester.py
	modified:   virtualMachineServer/networking/packets.py
	modified:   virtualMachineServer/reactor/vmServerReactor.py
	new file:   virtualMachineServer/threads/compressionThread.py
	modified:   virtualMachineServer/threads/fileTransferThread.py