[maven-release-plugin] copy for tag v1.6.8

[maven-release-plugin] copy for tag v2.0.0-M2

[maven-release-plugin] copy for tag v1.6.7

[maven-release-plugin] copy for tag v1.6.6

[maven-release-plugin] copy for tag v2.0.0-M1

[maven-release-plugin] copy for tag v1.6.5

[maven-release-plugin] copy for tag v1.6.4

[maven-release-plugin] copy for tag v1.6.3

[maven-release-plugin] copy for tag v1.6.2

[maven-release-plugin] copy for tag v1.6.1