Merge " Expose more information about a Shard via JMX"

diff --cc opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/Shard.java
index 8f058a3,0717598..27744fc
--- 1/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/Shard.java
--- 2/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/Shard.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/Shard.java
@@@ -35,9 -37,9 +35,10 @@@ import org.opendaylight.controller.clus
  import org.opendaylight.controller.cluster.raft.ConfigParams;
  import org.opendaylight.controller.cluster.raft.DefaultConfigParamsImpl;
  import org.opendaylight.controller.cluster.raft.RaftActor;
+ import org.opendaylight.controller.cluster.raft.ReplicatedLogEntry;
  import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
  import org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStore;
 +import org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStoreFactory;
  import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction;
  import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
  import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;