[maven-release-plugin] copy for tag 2.1.0-beta.12

[maven-release-plugin] copy for tag 2.1.0-beta.11

[maven-release-plugin] copy for tag 2.1.0-beta.10

[maven-release-plugin] copy for tag 2.1.0-beta.9

[maven-release-plugin] copy for tag 2.1.0-beta.8

[maven-release-plugin] copy for tag 2.1.0-beta.7

[maven-release-plugin] copy for tag 2.1.0-beta.6

[maven-release-plugin] copy for tag 2.1.0-beta.5

[maven-release-plugin] copy for tag 2.1.0-beta.4

[maven-release-plugin] copy for tag 2.1.0-beta.3