This patch ports the jjb ci-management jobs over from OpenDaylight and
makes necessary adjustments to make it generically re-useable as
possible.
This patch requires some environment variables defined. For example:
JENKINS_HOSTNAME=jenkins092
LOGS_SERVER=https://logs.opendaylight.org
NEXUS_URL=https://nexus.opendaylight.org
SILO=releng
Issue: RELENG-32
Change-Id: Ic19c5fa652885270d8e16992e82e642af95b0f4d
Signed-off-by: Thanh Ha <thanh.ha@linuxfoundation.org>