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

Change-Id: I5f768fa8077ef7c64e00a534744ca47492344935
diff --git a/.dockerignore b/.dockerignore
index 171d965..03e2704 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,4 +1,5 @@
 build/*
 !build/yang-files*
+!build/config*
 tests/*
 docs/*
\ No newline at end of file