Add template for neutron appliance

The appliance is being created by imagefactory
for creating an image for the neutron appliance (qcow2).
The image is based on CentOS-6.5 and contains the following
services:

 * Neutron server
 * Neutron L3 Agent
 * Neutron DHCP Agent
 * Open vSwitch Agent
 * Open vSwitch
 * QPID (messaging)

Further information regarding the neutron appliance can be
found in [1]

Creating the image:
imagefactory target_image  --template centos-65-neutron.tdl \
	openstack-kvm

[1] http://www.ovirt.org/Features/NeutronVirtualAppliance