[WIP] Upgrade ONOS to karaf version 4.2.1

Change-Id: I7cd40c995bdf1c80f94b1895fb3344e32404c7fa
diff --git a/incubator/store/src/main/java/org/onosproject/incubator/store/meter/impl/DistributedMeterStore.java b/incubator/store/src/main/java/org/onosproject/incubator/store/meter/impl/DistributedMeterStore.java
index a39e405..5ec5d2e 100644
--- a/incubator/store/src/main/java/org/onosproject/incubator/store/meter/impl/DistributedMeterStore.java
+++ b/incubator/store/src/main/java/org/onosproject/incubator/store/meter/impl/DistributedMeterStore.java
@@ -16,16 +16,10 @@
 package org.onosproject.incubator.store.meter.impl;
 
 import com.google.common.collect.Collections2;
-import com.google.common.collect.Lists;
 import com.google.common.collect.Iterables;
+import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 import org.apache.commons.lang.math.RandomUtils;
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.apache.felix.scr.annotations.Service;
 import org.onlab.util.KryoNamespace;
 import org.onosproject.cluster.ClusterService;
 import org.onosproject.cluster.NodeId;
@@ -64,6 +58,11 @@
 import org.onosproject.store.service.StorageException;
 import org.onosproject.store.service.StorageService;
 import org.onosproject.store.service.Versioned;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.slf4j.Logger;
 
 import java.util.Collection;
@@ -80,8 +79,7 @@
  * A distributed meter store implementation. Meters are stored consistently
  * across the cluster.
  */
-@Component(immediate = true)
-@Service
+@Component(immediate = true, service = MeterStore.class)
 public class DistributedMeterStore extends AbstractStore<MeterEvent, MeterStoreDelegate>
                     implements MeterStore {
 
@@ -104,16 +102,16 @@
 
     private Serializer serializer = Serializer.using(Lists.newArrayList(APP_KRYO_BUILDER.build()));
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     private StorageService storageService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     private MastershipService mastershipService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     private ClusterService clusterService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected DriverService driverService;
 
     private ConsistentMap<MeterKey, MeterData> meters;