[maven-release-plugin] copy for tag 0.2.20

[maven-release-plugin] copy for tag 0.2.19

[maven-release-plugin] copy for tag 0.2.18

[maven-release-plugin] copy for tag 0.2.17

[maven-release-plugin] copy for tag 0.2.16

[maven-release-plugin] copy for tag 0.2.15

[maven-release-plugin] copy for tag 0.2.14

[maven-release-plugin] copy for tag 0.2.13

[maven-release-plugin] copy for tag 0.2.12

[maven-release-plugin] copy for tag 0.2.11