[WIP] Upgrade ONOS to karaf version 4.2.1

Change-Id: I7cd40c995bdf1c80f94b1895fb3344e32404c7fa
diff --git a/apps/cfm/nbi/src/main/java/org/onosproject/cfm/CfmWebComponent.java b/apps/cfm/nbi/src/main/java/org/onosproject/cfm/CfmWebComponent.java
index a31a407..0cef175 100644
--- a/apps/cfm/nbi/src/main/java/org/onosproject/cfm/CfmWebComponent.java
+++ b/apps/cfm/nbi/src/main/java/org/onosproject/cfm/CfmWebComponent.java
@@ -15,11 +15,11 @@
  */
 package org.onosproject.cfm;
 
-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.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.onlab.packet.VlanId;
 import org.onosproject.cfm.web.ComponentCodec;
 import org.onosproject.cfm.web.FngAddressCodec;
@@ -90,7 +90,7 @@
 public class CfmWebComponent {
     private final Logger log = LoggerFactory.getLogger(getClass());
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected CodecService codecService;
 
     /**