Revert "Renamed *MastershipStore* to *DeviceMastershipStore*"

This reverts commit da147db72e9f6b8dff55ae50e298648a00033a76.
diff --git a/core/store/hz/cluster/src/main/java/org/onlab/onos/store/cluster/impl/DistributedDeviceMastershipStore.java b/core/store/hz/cluster/src/main/java/org/onlab/onos/store/cluster/impl/DistributedMastershipStore.java
similarity index 99%
rename from core/store/hz/cluster/src/main/java/org/onlab/onos/store/cluster/impl/DistributedDeviceMastershipStore.java
rename to core/store/hz/cluster/src/main/java/org/onlab/onos/store/cluster/impl/DistributedMastershipStore.java
index cdcf84b..97e6c1e 100644
--- a/core/store/hz/cluster/src/main/java/org/onlab/onos/store/cluster/impl/DistributedDeviceMastershipStore.java
+++ b/core/store/hz/cluster/src/main/java/org/onlab/onos/store/cluster/impl/DistributedMastershipStore.java
@@ -32,7 +32,7 @@
  */
 @Component(immediate = true)
 @Service
-public class DistributedDeviceMastershipStore
+public class DistributedMastershipStore
 extends AbstractHazelcastStore<DeviceMastershipEvent, DeviceMastershipStoreDelegate>
 implements DeviceMastershipStore {
 
diff --git a/core/store/hz/cluster/src/test/java/org/onlab/onos/store/cluster/impl/DistributedDeviceMastershipStoreTest.java b/core/store/hz/cluster/src/test/java/org/onlab/onos/store/cluster/impl/DistributedMastershipStoreTest.java
similarity index 95%
rename from core/store/hz/cluster/src/test/java/org/onlab/onos/store/cluster/impl/DistributedDeviceMastershipStoreTest.java
rename to core/store/hz/cluster/src/test/java/org/onlab/onos/store/cluster/impl/DistributedMastershipStoreTest.java
index d993250..85ee01a 100644
--- a/core/store/hz/cluster/src/test/java/org/onlab/onos/store/cluster/impl/DistributedDeviceMastershipStoreTest.java
+++ b/core/store/hz/cluster/src/test/java/org/onlab/onos/store/cluster/impl/DistributedMastershipStoreTest.java
@@ -40,7 +40,7 @@
 /**
  * Test of the Hazelcast-based distributed MastershipStore implementation.
  */
-public class DistributedDeviceMastershipStoreTest {
+public class DistributedMastershipStoreTest {
 
     private static final DeviceId DID1 = DeviceId.deviceId("of:01");
     private static final DeviceId DID2 = DeviceId.deviceId("of:02");
@@ -54,8 +54,8 @@
     private static final ControllerNode CN1 = new DefaultControllerNode(N1, IP);
     private static final ControllerNode CN2 = new DefaultControllerNode(N2, IP);
 
-    private DistributedDeviceMastershipStore dms;
-    private TestDistributedDeviceMastershipStore testStore;
+    private DistributedMastershipStore dms;
+    private TestDistributedMastershipStore testStore;
     private KryoSerializer serializationMgr;
     private StoreManager storeMgr;
 
@@ -77,11 +77,11 @@
 
         serializationMgr = new KryoSerializer();
 
-        dms = new TestDistributedDeviceMastershipStore(storeMgr, serializationMgr);
+        dms = new TestDistributedMastershipStore(storeMgr, serializationMgr);
         dms.clusterService = new TestClusterService();
         dms.activate();
 
-        testStore = (TestDistributedDeviceMastershipStore) dms;
+        testStore = (TestDistributedMastershipStore) dms;
     }
 
     @After
@@ -227,9 +227,9 @@
         assertTrue("Add event fired", addLatch.await(1, TimeUnit.SECONDS));
     }
 
-    private class TestDistributedDeviceMastershipStore extends
-            DistributedDeviceMastershipStore {
-        public TestDistributedDeviceMastershipStore(StoreService storeService,
+    private class TestDistributedMastershipStore extends
+            DistributedMastershipStore {
+        public TestDistributedMastershipStore(StoreService storeService,
                 KryoSerializer kryoSerialization) {
             this.storeService = storeService;
             this.serializer = kryoSerialization;