Make kafkaloghandler standalone, add unit tests

Change-Id: I36e8c5cc33459e8243d3aaac3fefc2928b663d36
diff --git a/VERSION b/VERSION
new file mode 100644
index 0000000..728d00f
--- /dev/null
+++ b/VERSION
@@ -0,0 +1 @@
+0.8.0-dev0