Release: 0.4.1

Upstart should track the correct Zipkin pid

Also updated to use the latest Zipkin release

Release: 0.4.0

Merge pull request #2 from curalate/DEV-31835

DEV-31835 Allow override of Maven URL from where artifacts are fetched

Release: 0.3.0

Merge pull request #1 from richid/overhaul-030

Overhaul the cookbook to support new versions of Zipkin