[maven-release-plugin] copy for tag gsoncore-0.15.1

[maven-release-plugin] copy for tag gsoncore-0.15

[maven-release-plugin] copy for tag gsoncore-0.14.1

[maven-release-plugin] copy for tag gsoncore-0.14

[maven-release-plugin] copy for tag gsoncore-0.13

[maven-release-plugin] copy for tag gsoncore-0.12

[maven-release-plugin] copy for tag gsoncore-0.11

[maven-release-plugin] copy for tag gsoncore-0.10

[maven-release-plugin] copy for tag gsoncore-old-parent-0.9

[maven-release-plugin] copy for tag gsoncore-0.9