Adding contrail-test rpm to centos7/redhat7 Partial-Bug: 1738045
Adding contrail-test rpm to centos7/redhat7
Partial-Bug: 1738045

Added contrail-test rpm to centos/redhat
Updated contrail-fabric-utils package to build from contrail-packages repo

Change-Id: I0a0f9f5c650908d43a75d3fd342cb0dfdc22354d

Juniper/contrail-packages,Juniper/contrail-packages