[maven-release-plugin] copy for tag v6.4.0 

[maven-release-plugin] copy for tag v6.3.0 

[maven-release-plugin] copy for tag v6.2.0 

[maven-release-plugin] copy for tag v6.1.0 

[maven-release-plugin] copy for tag v6.0.0 

[maven-release-plugin] copy for tag v5.11.0 

[maven-release-plugin] copy for tag v5.10.0 

[maven-release-plugin] copy for tag v5.9.0 

[maven-release-plugin] copy for tag v5.8.0 

[maven-release-plugin] copy for tag v5.7.0