Fix maven release plugin version
Fix maven release plugin version

Change-Id: Id89f947206b008350e4b06f0e2d0cff69ba07da0
Signed-off-by: Robert Varga <b8bd3df785fdc0ff42dd1710c5d91998513c57ef@cisco.com>

522986491/yangtools,opendaylight/yangtools,opendaylight/yangtools,NovusTheory/yangtools