Cleanup: Move unit tests to spec/unit director
Cleanup: Move Version to a Ruby file
Replace Jeweler with Gem-Release
Merge branch 'master' of https://github.com/aq1018/mongoid-history into gem-release
Bump version to 0.4.2
Merge branch 'master' of https://github.com/aq1018/mongoid-history into gem-release
add gem source.