[maven-release-plugin] copy for tag v6.1-RC3

[maven-release-plugin] copy for tag v6.1-RC2

[maven-release-plugin] copy for tag v6.1-RC1

[maven-release-plugin] copy for tag v6.0

[maven-release-plugin] copy for tag v6.0-RC6

[maven-release-plugin] copy for tag v6.0-RC5

[maven-release-plugin] copy for tag v5.6.1

[maven-release-plugin] copy for tag v5.6

Fix 5.5 release tag (version in pom.xml files)

v5.4