[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/scripts/xos_dev_reqs.txt b/scripts/xos_dev_reqs.txt
index 1680477..5f1f9c3 100644
--- a/scripts/xos_dev_reqs.txt
+++ b/scripts/xos_dev_reqs.txt
@@ -4,10 +4,10 @@
 Twisted==16.6.0
 astunparse==1.5.0
 colorama==0.3.9
+confluent-kafka==0.11.5
 grpcio-tools==1.12.0
 grpcio==1.12.0
 ipaddress==1.0.19
-kafka==1.3.5
 multistructlog==1.5
 netaddr==0.7.19
 networkx==1.11