[maven-release-plugin] copy for tag xchange-5.2.0

[maven-release-plugin] copy for tag xchange-5.1.1

[maven-release-plugin] copy for tag xchange-5.1.0

[maven-release-plugin] copy for tag xchange-5.0.14

[maven-release-plugin] copy for tag xchange-5.0.13

[maven-release-plugin] copy for tag xchange-5.0.12

[maven-release-plugin] copy for tag xchange-5.0.11

[maven-release-plugin] copy for tag xchange-5.0.10

[maven-release-plugin] copy for tag xchange-5.0.9

[maven-release-plugin] copy for tag xchange-5.0.8