Reestructuro el código del servidor de máquinas virtuales, organizándolo
en paquetes, y borro basura.

Seguiré haciendo limpieza y, sobre todo, comentándolo.

 On branch issue_34
 Changes to be committed:

	deleted:    src/CygnusCloud/virtualMachineServer/FTPQueue.py
	new file:   src/CygnusCloud/virtualMachineServer/libvirtInteraction/__init__.py
	renamed:    src/CygnusCloud/virtualMachineServer/libvirtConnector.py -> src/CygnusCloud/virtualMachineServer/libvirtInteraction/libvirtConnector.py
	renamed:    src/CygnusCloud/virtualMachineServer/xmlEditor.py -> src/CygnusCloud/virtualMachineServer/libvirtInteraction/xmlEditor.py
	modified:   src/CygnusCloud/virtualMachineServer/main.py
	new file:   src/CygnusCloud/virtualMachineServer/networking/__init__.py
	renamed:    src/CygnusCloud/virtualMachineServer/callback.py -> src/CygnusCloud/virtualMachineServer/networking/callback.py
	renamed:    src/CygnusCloud/virtualMachineServer/packets.py -> src/CygnusCloud/virtualMachineServer/networking/packets.py
	renamed:    src/CygnusCloud/virtualMachineServer/vmServerCallback.py -> src/CygnusCloud/virtualMachineServer/networking/vmServerCallback.py
	new file:   src/CygnusCloud/virtualMachineServer/reactor/__init__.py
	renamed:    src/CygnusCloud/virtualMachineServer/vmServer.py -> src/CygnusCloud/virtualMachineServer/reactor/vmServerReactor.py