[maven-release-plugin] copy for tag xchart-3.0.1

[maven-release-plugin] copy for tag xchart-3.0.0

[maven-release-plugin] copy for tag xchart-2.6.1

[maven-release-plugin] copy for tag xchart-2.6.0

[maven-release-plugin] copy for tag xchart-2.5.1

[maven-release-plugin] copy for tag xchart-2.5.0

[maven-release-plugin] copy for tag xchart-2.4.3

[maven-release-plugin] copy for tag xchart-2.4.2

[maven-release-plugin] copy for tag xchart-2.4.1

[maven-release-plugin] copy for tag xchart-2.4.0