[maven-release-plugin] copy for tag droid-6.4

[maven-release-plugin] copy for tag droid-6.4-RC1

[maven-release-plugin] copy for tag droid-6.3

[maven-release-plugin] copy for tag droid-6.3-RC1

[maven-release-plugin] copy for tag droid-6.2.1

[maven-release-plugin] copy for tag droid-6.2

[maven-release-plugin] copy for tag droid-6.1.5

[maven-release-plugin] copy for tag droid-6.1.3

[maven-release-plugin] copy for tag 6.1.1

[maven-release-plugin] copy for tag droid-6.1.2