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

Change-Id: I5f768fa8077ef7c64e00a534744ca47492344935
diff --git a/vendor/github.com/klauspost/compress/huff0/.gitignore b/vendor/github.com/klauspost/compress/huff0/.gitignore
new file mode 100644
index 0000000..b3d2629
--- /dev/null
+++ b/vendor/github.com/klauspost/compress/huff0/.gitignore
@@ -0,0 +1 @@
+/huff0-fuzz.zip