Merge pull request #2 from indykish/master

Prepare for 0.3 release and scala 2.10.4
Merge pull request #3 from indykish/master

sbt 0.13.5 M2, rabbitmq 3.3
Reverting back to sbt 0.13.1 as sonatype publish is broken in 0.13.5-M2
Bump up version to 0.5
Migrate to 0.13.5, and Release 0.5