Always use conf/hazelcast.default.xml during mvn test
Always use conf/hazelcast.default.xml during mvn test

After this patch, users should not be forced to update hazelcast.xml
just for running unit tests.

- If someone ever want to run unit tests using different hazelcast.xml
  $ mvn test -DargLine="-D-Dnet.onrc.onos.core.datastore.hazelcast.baseConfig=..."

Change-Id: I6eaec95f2808cb54fd21610821e4f2147ceb95bf

opennetworkinglab/spring-open,opennetworkinglab/spring-open,opennetworkinglab/spring-open,opennetworkinglab/spring-open,opennetworkinglab/spring-open,opennetworkinglab/spring-open