Low: iface-bridge add new agent to manage bridge interfaces as HA resource

Signed-off-by: Fabio M. Di Nitto <fdinitto@redhat.com>
Low: iface-vlan add new agent to manage VLAN interfaces as HA resource

Signed-off-by: Fabio M. Di Nitto <fdinitto@redhat.com>
Merge pull request #313 from fabbione/advnet

advanced networking agents (bridge and vlan)