Unassign IP address action and Velocity templates.
Merge branch 'develop' of git://github.com/dana-i2cat/opennaas into f2fdemo/L3VLAN-unassignIP
Throw UnsupportedOperationException in method removeIpAddressfromBridgedDomain until bug is resolved.
Merge pull request #904 from logoff/f2fdemo/L3VLAN-unassignIP

L3VLAN capability unassign IP address