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[maven-release-plugin] copy for tag msgpack-0.6.11

[maven-release-plugin] copy for tag msgpack-0.6.10

[maven-release-plugin] copy for tag msgpack-0.6.9

[maven-release-plugin] copy for tag msgpack-0.6.8

[maven-release-plugin] copy for tag msgpack-0.6.7

[maven-release-plugin] copy for tag msgpack-0.6.6

[maven-release-plugin] copy for tag msgpack-0.6.5