[maven-release-plugin] copy for tag checkstyle-7.4

[maven-release-plugin] copy for tag checkstyle-7.3

[maven-release-plugin] copy for tag checkstyle-7.2

[maven-release-plugin] copy for tag checkstyle-7.1.2

[maven-release-plugin] copy for tag checkstyle-7.1.1

[maven-release-plugin] copy for tag checkstyle-7.1

[maven-release-plugin] copy for tag checkstyle-7.0

[maven-release-plugin] copy for tag checkstyle-6.19

[maven-release-plugin] copy for tag checkstyle-6.18

[maven-release-plugin] copy for tag checkstyle-6.17