[maven-release-plugin] copy for tag clojure-1.7.0-beta1

[maven-release-plugin] copy for tag clojure-1.7.0-alpha6

[maven-release-plugin] copy for tag clojure-1.7.0-alpha5

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[maven-release-plugin] copy for tag clojure-1.6.0

[maven-release-plugin] copy for tag clojure-1.6.0-RC4

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