Add karaf4-parent pom

Add karaf4-parent pom back to build. This is needed to create ONAP
distro of OpenDaylight.

Change-Id: Ib0ad4d1ca02a15fe9aee8e4db95682c434b9e6c3
Issue-ID: CCSDK-1753
Signed-off-by: Timoney, Dan (dt5972) <dtimoney@att.com>
4 files changed