Merge pull request #8 from drewcsillag/url-fix

Update KAFKA_URL to point to somewhere the package exists
Scala 2.8.0 - kafka_2.8.0-0.8.1.tgz  support fixes #9
Update references to Kafka 0.8.1
added :request_required_acks option to producer fixes #4
updated changes for 0.4.0
updated readme to reflect change in default codec.
Make scala version an env var and clean up hard coded kafka version references
Update README to explain kafka and scala settings
Merge pull request #10 from b/scala_versioning

Make scala version an env var
Add a boolean config option to control whether events get decorated with kafka info on input
Merge pull request #11 from b/decorate_events

Add a boolean config option to control whether events get decorated