Removing offset management code that is non-existent in kafka 0.7.0+
kafka jar wasn't being included by run script
further KafkaInputDStream cleanup (removing unused and commented out code relating to offset management)
kafkaStream API cleanup. A quorum of zookeepers can now be specified
Merge pull request #372 from Reinvigorate/sm-kafka

Removing offset management code that is non-existent in kafka 0.7.0+