This commit made some modifications in the way messages over
kafka are consumed, mostly around the initial offset to use.

Change-Id: I6104ef710d9c595034cd4cedc0d58ae774cec719
diff --git a/kafka/client.go b/kafka/client.go
index ad8f01a..b93ad86 100644
--- a/kafka/client.go
+++ b/kafka/client.go
@@ -33,7 +33,7 @@
 	DefaultProducerFlushFrequency   = 5
 	DefaultProducerFlushMessages    = 1
 	DefaultProducerFlushMaxmessages = 5
-	DefaultProducerReturnSuccess    = false
+	DefaultProducerReturnSuccess    = true
 	DefaultProducerReturnErrors     = true
 	DefaultProducerRetryMax         = 3
 	DefaultProducerRetryBackoff     = time.Millisecond * 100