Tightened code styling rules in Checkstyle config
Update version of project to be in line with the other modules

Partial resolution of: https://www.pivotaltracker.com/story/show/72657116
[maven-release-plugin] prepare release fcrepo-build-tools-4.0.0-beta-02
[maven-release-plugin] prepare for next development iteration
[maven-release-plugin] prepare release fcrepo-build-tools-4.0.0-beta-03
[maven-release-plugin] prepare for next development iteration