Turn opendaylight/md-sal/pom.xml into an aggregator
Turn opendaylight/md-sal/pom.xml into an aggregator

This pom is not referenced in code artifacts anymore, we can stop
pulling in unnecessary stuff.

Change-Id: I4f5db9ba2c1ef7874bb5c593714fb4977541638d
Signed-off-by: Robert Varga <b8bd3df785fdc0ff42dd1710c5d91998513c57ef@cisco.com>

opendaylight/controller