#118 replace commons-lang with guava
#71 enable publishing of a maven site
#71 documentation update
adjusted config of release plugin
[maven-release-plugin] prepare release 0.4.0
[maven-release-plugin] rollback the release of 0.4.0
[maven-release-plugin] prepare release 0.4.0
[maven-release-plugin] prepare for next development iteration
revert after failed release
allow tests during release
[maven-release-plugin] prepare release 0.4.0
[maven-release-plugin] prepare for next development iteration
[maven-release-plugin] rollback the release of 0.4.0
[maven-release-plugin] prepare release 0.4.0
revert after BSOD
[maven-release-plugin] prepare release 0.4.0
[maven-release-plugin] prepare for next development iteration