Subo apagado básico de máquinas virtuales, funcionando hasta en el servidor de cluster.

 On branch issue_20
 Changes to be committed:

	modified:   clusterServer/networking/packets.py
	modified:   clusterServer/reactor/clusterServerReactor.py
	modified:   database/ClusterServerDB.sql
	modified:   database/tests/ClusterServerDBTest.sql
	modified:   testing/clusterServerTester.py