[maven-release-plugin] copy for tag druid-0.6.23

[maven-release-plugin] copy for tag druid-0.6.22

[maven-release-plugin] copy for tag druid-0.6.21

[maven-release-plugin] copy for tag druid-0.6.20

[maven-release-plugin] copy for tag druid-0.6.19

[maven-release-plugin] copy for tag druid-0.6.18

[maven-release-plugin] copy for tag druid-0.6.17

[maven-release-plugin] copy for tag druid-0.6.16

[maven-release-plugin] copy for tag druid-0.6.15

[maven-release-plugin] copy for tag druid-0.6.14