removing libvirt injection
change the libvirt_inject_* parameters to be havana compatible
Adding the mgmt options as params

Now it is completely unreadable :)

Conflicts:

	tools/deploy_node.sh
Fix of the documentation for computes
Adding check for mgmt-ip params for computes
Enabling write-through cache by default
Fixing dependency order with renamed brex
Improve the help of deploy_node.sh command
Fix naming for havana
Fixing metadata agent for flat networks
Merge branch 'milestones/m2.1' into stable/havana

Conflicts:
	manifests/common/nova.pp