[WIP] Upgrade ONOS to karaf version 4.2.1

Change-Id: I7cd40c995bdf1c80f94b1895fb3344e32404c7fa
diff --git a/incubator/store/src/main/java/org/onosproject/incubator/store/virtual/impl/SimpleVirtualGroupStore.java b/incubator/store/src/main/java/org/onosproject/incubator/store/virtual/impl/SimpleVirtualGroupStore.java
index 1992416..4d6709b 100644
--- a/incubator/store/src/main/java/org/onosproject/incubator/store/virtual/impl/SimpleVirtualGroupStore.java
+++ b/incubator/store/src/main/java/org/onosproject/incubator/store/virtual/impl/SimpleVirtualGroupStore.java
@@ -18,10 +18,6 @@
 
 import com.google.common.collect.FluentIterable;
 import com.google.common.collect.Sets;
-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.Service;
 import org.onosproject.core.GroupId;
 import org.onosproject.incubator.net.virtual.NetworkId;
 import org.onosproject.incubator.net.virtual.VirtualNetworkGroupStore;
@@ -38,6 +34,9 @@
 import org.onosproject.net.group.GroupStoreDelegate;
 import org.onosproject.net.group.StoredGroupBucketEntry;
 import org.onosproject.net.group.StoredGroupEntry;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
 import org.slf4j.Logger;
 
 import java.util.ArrayList;
@@ -57,8 +56,7 @@
 /**
  * Manages inventory of virtual group entries using trivial in-memory implementation.
  */
-@Component(immediate = true)
-@Service
+@Component(immediate = true, service = VirtualNetworkGroupStore.class)
 public class SimpleVirtualGroupStore
         extends AbstractVirtualStore<GroupEvent, GroupStoreDelegate>
         implements VirtualNetworkGroupStore {