Todo

[jbteixeir]

• Return the real ip address(which is sent by the 'VM Request Manager' and its used in the webplatform) of the newly allocated VM (by accessing the DHCPD module) (Watch out for allocations taking place at the same time)
• Removing rules (intervm and vm allocation) (needs to be tested)
• Add to the switch class a "state" variable to indicate if switch is connected or not. This should also apply for the links(up/down/admin.down). Should also apply for the hosts.
• Change the name from hosts to servers (makes more sense)
• Migration