[maven-release-plugin] copy for tag ck-0.6.2

[maven-release-plugin] copy for tag ck-0.6.1

[maven-release-plugin] copy for tag ck-0.6.0

[maven-release-plugin] copy for tag ck-0.5.2

[maven-release-plugin] copy for tag ck-0.5.1

[maven-release-plugin] copy for tag ck-0.5.0

[maven-release-plugin] copy for tag ck-0.4.4

[maven-release-plugin] copy for tag ck-0.4.3

[maven-release-plugin] copy for tag ck-0.4.2

[maven-release-plugin] copy for tag ck-0.4.1