Add <relativePath/> to ensure Maven pulls artifact from Nexus
Add <relativePath/> to ensure Maven pulls artifact from Nexus

Needed by autorelease to be able to find and replace this value
prebuild.

Change-Id: Ifad9a6c514c2aa47e52d18ebbfeb1bf71b121496
Signed-off-by: Thanh Ha <09ea4d3a79c8bee41a16519f6a431f6bc0fd8d6f@linuxfoundation.org>

opendaylight/netvirt,opendaylight/netvirt,opendaylight/netvirt,opendaylight/netvirt,opendaylight/netvirt