Schema changes for LBAASv2
Schema changes for LBAASv2

Schema changes for LBAASv2. Loadbalancer and listener are the
new objects in this data model. Loadbalancer object stores the
vip-address and listeners store the port and protocol information.
Update: Change reference from pool to listener since listener
is created first and referred to by the pool.

Change-Id: I6300f3b34599999ba453486e09d58641ae4fef19
Closes-Bug: #1493986

sajuptpm/contrail-controller,sajuptpm/contrail-controller,tcpcloud/contrail-controller,codilime/contrail-controller,sajuptpm/contrail-controller,rombie/contrail-controller,nischalsheth/contrail-controller,tcpcloud/contrail-controller,rombie/contrail-controller,eonpatapon/contrail-controller,codilime/contrail-controller,tcpcloud/contrail-controller,sajuptpm/contrail-controller,eonpatapon/contrail-controller,rombie/contrail-controller,eonpatapon/contrail-controller,rombie/contrail-controller,sajuptpm/contrail-controller,nischalsheth/contrail-controller,codilime/contrail-controller,nischalsheth/contrail-controller,eonpatapon/contrail-controller,codilime/contrail-controller,tcpcloud/contrail-controller,rombie/contrail-controller,tcpcloud/contrail-controller,nischalsheth/contrail-controller,nischalsheth/contrail-controller,nischalsheth/contrail-controller,eonpatapon/contrail-controller,sajuptpm/contrail-controller,rombie/contrail-controller,eonpatapon/contrail-controller,nischalsheth/contrail-controller,eonpatapon/contrail-controller,rombie/contrail-controller,tcpcloud/contrail-controller,codilime/contrail-controller,codilime/contrail-controller,nischalsheth/contrail-controller