Add NETCONF notification for ONU activation and Kafka client to receive events, update dependencies

Change-Id: I5f768fa8077ef7c64e00a534744ca47492344935
diff --git a/build/yang-files/schema-mount.xml b/build/yang-files/schema-mount.xml
index 6460aa5..925baa5 100644
--- a/build/yang-files/schema-mount.xml
+++ b/build/yang-files/schema-mount.xml
@@ -15,6 +15,10 @@
   -->
 
 <schema-mounts xmlns="urn:ietf:params:xml:ns:yang:ietf-yang-schema-mount">
+  <namespace>
+    <prefix>bbf-device-aggregation</prefix>
+    <uri>urn:bbf:yang:bbf-device-aggregation</uri>
+  </namespace>
   <mount-point>
     <module>bbf-device-aggregation</module>
     <label>device-yang-library</label>