Make kafkaloghandler standalone, add unit tests

Change-Id: I36e8c5cc33459e8243d3aaac3fefc2928b663d36
diff --git a/unittest.cfg b/unittest.cfg
new file mode 100644
index 0000000..67b89de
--- /dev/null
+++ b/unittest.cfg
@@ -0,0 +1,9 @@
+[unittest]
+plugins=nose2.plugins.junitxml
+code-directories=kafkaloghandler
+
+[coverage]
+always-on = True
+coverage = kafkaloghandler
+coverage-report = term
+coverage-report = xml