Merge pull request #41 from markhamstra/master-csd

Update to Shark 0.8.1 release
[maven-release-plugin] prepare release shark-0.8.1-csd-1
[maven-release-plugin] prepare for next development iteration
[maven-release-plugin] prepare release shark-0.8.1-csd-2
[maven-release-plugin] prepare for next development iteration