[maven-release-plugin] prepare release maven-release-2.5.2

git-svn-id: https://svn.apache.org/repos/asf/maven/release/trunk@1626305 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare for next development iteration

git-svn-id: https://svn.apache.org/repos/asf/maven/release/trunk@1626307 13f79535-47bb-0310-9956-ffa450edef68
Reset version for 2.5.1


git-svn-id: https://svn.apache.org/repos/asf/maven/release/trunk@1626309 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare release maven-release-2.5.1

git-svn-id: https://svn.apache.org/repos/asf/maven/release/trunk@1626312 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare for next development iteration

git-svn-id: https://svn.apache.org/repos/asf/maven/release/trunk@1626314 13f79535-47bb-0310-9956-ffa450edef68