[maven-release-plugin] copy for tag 3.0.0

[maven-release-plugin] copy for tag 0.6.1

[maven-release-plugin] copy for tag 0.6.0

Release 0.5.0

Merge pull request #104 from eXist-db/prepare-v0.4.8

Prepare v0.4.8

Merge pull request #42 from dizzzz/late_fixes

Late fixes

Merge pull request #40 from dizzzz/master

Bump version to 0.4.1 - preparing exist-db 2.2