[maven-release-plugin] copy for tag phtree-2.8.2

[maven-release-plugin] copy for tag phtree-2.8.1

[maven-release-plugin] copy for tag phtree-2.8.0

[maven-release-plugin] copy for tag phtree-2.7.0

[maven-release-plugin] copy for tag phtree-2.6.3

[maven-release-plugin] copy for tag phtree-2.6.2

[maven-release-plugin] copy for tag phtree-2.6.1

[maven-release-plugin] copy for tag phtree-2.6.0

[maven-release-plugin] copy for tag phtree-2.5.0

[maven-release-plugin] copy for tag phtree-2.4.0