[WIP] Upgrade ONOS to karaf version 4.2.1

Change-Id: I7cd40c995bdf1c80f94b1895fb3344e32404c7fa
diff --git a/core/net/src/main/java/org/onosproject/net/domain/impl/DomainIntentManager.java b/core/net/src/main/java/org/onosproject/net/domain/impl/DomainIntentManager.java
index 18ff3f7..a77a53d 100644
--- a/core/net/src/main/java/org/onosproject/net/domain/impl/DomainIntentManager.java
+++ b/core/net/src/main/java/org/onosproject/net/domain/impl/DomainIntentManager.java
@@ -18,12 +18,6 @@
 
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
-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.ItemNotFoundException;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.behaviour.DomainIntentConfigurable;
@@ -34,6 +28,11 @@
 import org.onosproject.net.domain.DomainIntentService;
 import org.onosproject.net.driver.DriverHandler;
 import org.onosproject.net.driver.DriverService;
+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 org.slf4j.LoggerFactory;
 
@@ -52,16 +51,15 @@
 /**
  * {@link DomainIntentService} implementation class.
  */
-@Component(immediate = true)
-@Service
+@Component(immediate = true, service = DomainIntentService.class)
 public class DomainIntentManager implements DomainIntentService {
 
     private final Logger log = LoggerFactory.getLogger(getClass());
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected DeviceService deviceService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected DriverService driverService;
 
     private ExecutorService executorService =