[maven-release-plugin] copy for tag druid-0.6.86

[maven-release-plugin] copy for tag druid-0.6.85

[maven-release-plugin] copy for tag druid-0.6.84

[maven-release-plugin] copy for tag druid-0.6.83

[maven-release-plugin] copy for tag druid-0.6.82

[maven-release-plugin] copy for tag druid-0.6.81

[maven-release-plugin] copy for tag druid-0.6.79

[maven-release-plugin] copy for tag druid-0.6.78

[maven-release-plugin] copy for tag druid-0.6.77

[maven-release-plugin] copy for tag druid-0.6.76