Added schema element for project-bgpaas link
Added schema element for project-bgpaas link

Change-Id: I46450d8367e14798cf0b3d0acc51aa74a5713d30
Related-Bug: 1518047

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