[MASSAMBLY-721] Fixed 2.2.1 failures

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1633920 13f79535-47bb-0310-9956-ffa450edef68
Removed unused files

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1633921 13f79535-47bb-0310-9956-ffa450edef68
More cleanup

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1633925 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare release maven-assembly-plugin-2.5

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1633928 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare for next development iteration

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1633930 13f79535-47bb-0310-9956-ffa450edef68