[maven-release-plugin] copy for tag 6.1.6

[maven-release-plugin] copy for tag 6.1.5

[maven-release-plugin] copy for tag 6.1.4

[maven-release-plugin] copy for tag 6.1.3

[maven-release-plugin] copy for tag 6.1.2

[maven-release-plugin] copy for tag 6.1.1

[maven-release-plugin] copy for tag 6.1.0

[maven-release-plugin] copy for tag 6.0.6

[maven-release-plugin] copy for tag 6.0.5

[maven-release-plugin] copy for tag 6.0.4