[maven-release-plugin] copy for tag ddf-2.9.3

[maven-release-plugin] prepare release ddf-2.9.2

[maven-release-plugin] copy for tag ddf-2.9.1

[maven-release-plugin] copy for tag ddf-2.8.2

[maven-release-plugin] copy for tag ddf-2.8.1

[maven-release-plugin] copy for tag ddf-2.8.0

[maven-release-plugin] copy for tag distribution-2.7.1

ddf-platform prior to merging into ddf

ddf-libs prior to merging into ddf