[SEBA-232]

Publish XOS internal events on kafka as well as redis

Switch to confluent_kafka, create XOSKafkaProducer wrapper lib

Remove nonfunctional test for connection failure

Change-Id: I4d3057fcc0b5b56022ef3f853dbe0323ef071af7
diff --git a/unittest.cfg b/unittest.cfg
index f37d783..65eba41 100644
--- a/unittest.cfg
+++ b/unittest.cfg
@@ -5,3 +5,9 @@
                  xos-config
                  coreapi
 
+[coverage]
+always-on = True
+coverage = xos
+           lib
+coverage-report = term
+coverage-report = xml