add akka batch consumer
cleanup batch stuff, add some docs, publish as 0.0.7-SNAPSHOT
update batch example
fix condition that would cause hang when batch size is 0 and we hit the recieve timeout
handle the ordering where outstanding is 0 when entering Committing state
immediately send batch if we transition to Committing when there are 0 outstanding.
classtag instead of unckecked internally
add batchHandler so that the batches can be speifically typed and avoid unchecked warnings
add batchHandler so that the batches can be speifically typed and avoid unchecked warnings
remove println
oops. /cc @jbweeks
Merge pull request #12 from sclasen/batch-consumer

Batch consumer