Update TAPI YANG files to v2.1(v20181016)

* Replaced TAPI yang files with latest master(v2.1)
* Updated ModelRegistrator
* Updated library path for auto generated library
* Updated ODTN Phase1.0 impl
* Added TAPI XML conversion test for ODTN Phase1.0
* Added sample JSON for ODTN Phase1.0

Change-Id: I11eeab2423a1468df3ee515d40f31b82ed96aa3c
diff --git a/apps/odtn/api/src/main/java/org/onosproject/odtn/utils/tapi/TapiContextHandler.java b/apps/odtn/api/src/main/java/org/onosproject/odtn/utils/tapi/TapiContextHandler.java
index ff8e24d..68e3978 100644
--- a/apps/odtn/api/src/main/java/org/onosproject/odtn/utils/tapi/TapiContextHandler.java
+++ b/apps/odtn/api/src/main/java/org/onosproject/odtn/utils/tapi/TapiContextHandler.java
@@ -19,11 +19,11 @@
 import java.util.Collections;
 import java.util.List;
 import java.util.stream.Collectors;
-import org.onosproject.yang.gen.v1.tapicommon.rev20180307.tapicommon.DefaultContext;
-import org.onosproject.yang.gen.v1.tapicommon.rev20180307.tapicommon.Uuid;
-import org.onosproject.yang.gen.v1.tapiconnectivity.rev20180307.tapiconnectivity.connectivitycontext.DefaultConnectivityService;
-import org.onosproject.yang.gen.v1.tapiconnectivity.rev20180307.tapiconnectivity.context.DefaultAugmentedTapiCommonContext;
-import org.onosproject.yang.gen.v1.tapitopology.rev20180307.tapitopology.topologycontext.DefaultTopology;
+import org.onosproject.yang.gen.v1.tapicommon.rev20181016.tapicommon.DefaultContext;
+import org.onosproject.yang.gen.v1.tapicommon.rev20181016.tapicommon.Uuid;
+import org.onosproject.yang.gen.v1.tapiconnectivity.rev20181016.tapiconnectivity.connectivitycontext.DefaultConnectivityService;
+import org.onosproject.yang.gen.v1.tapiconnectivity.rev20181016.tapiconnectivity.context.DefaultAugmentedTapiCommonContext;
+import org.onosproject.yang.gen.v1.tapitopology.rev20181016.tapitopology.topologycontext.DefaultTopology;
 import org.onosproject.yang.model.DefaultModelObjectData;
 import org.onosproject.yang.model.ModelObjectData;
 import org.onosproject.yang.model.ModelObjectId;
@@ -43,11 +43,13 @@
 
     @Override
     protected Uuid getIdDetail() {
+        // The target yang object of this class is container, so no need to handle Id.
         return null;
     }
 
     @Override
     protected void setIdDetail(Uuid uuid) {
+        // The target yang object of this class is container, so no need to handle Id.
     }
 
     @Override
@@ -74,7 +76,7 @@
 
         DefaultAugmentedTapiCommonContext augmentedContext = obj.augmentation(DefaultAugmentedTapiCommonContext.class);
         try {
-            return augmentedContext.connectivityService().stream()
+            return augmentedContext.connectivityContext().connectivityService().stream()
                     .map(connectivityService -> {
                         TapiConnectivityServiceHandler handler = TapiConnectivityServiceHandler.create();
                         handler.setModelObject((DefaultConnectivityService) connectivityService);