Subo:
- código del servidor de máquinas virtuales con sentencias print
  eliminadas.

 On branch infrastructure-upstream
 Changes to be committed:

	modified:   src/CygnusCloud/ccutils/commands.py
	modified:   src/CygnusCloud/virtualMachineServer/libvirtConnector.py
	modified:   src/CygnusCloud/virtualMachineServer/vmServerCallback.py