enforce Java 8 for building
documentation update
upgraded to eXtended Objects 0.4.0
fixed version of javadoc plugin
fix problem with version update during release
fix problem with version update during release
[maven-release-plugin] prepare release 1.0.0-M3
[maven-release-plugin] prepare for next development iteration
revert after failed release
[maven-release-plugin] prepare release 1.0.0-M3
[maven-release-plugin] prepare for next development iteration
revert release
[maven-release-plugin] prepare release 1.0.0-M3
[maven-release-plugin] prepare for next development iteration
[maven-release-plugin] rollback the release of 1.0.0-M3
enable tests during release
fix javadoc generation
[maven-release-plugin] prepare release 1.0.0-M3
[maven-release-plugin] rollback the release of 1.0.0-M3
[maven-release-plugin] prepare release 1.0.0-M3