ability to export stats using statsD for monitoring in graphite etc

make sure that we use bash shell

pass in the codec to the verifier for delimited text reader

Added a param to control rebalance backoff

add missing method on SecorConfig class

Handle the case of empty partitions in the finalizer

proper formatting for pom.xml
Merge pull request #57 from lefthandmagic/statsd

ability to export stats using statsD for monitoring in graphite etc