Fixed 'stage' taask; removed URL rewriting as no longer necessary

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/project-release-tools/trunk@1509642 13f79535-47bb-0310-9956-ffa450edef68
Restored rewriting of Maven generated links

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/project-release-tools/trunk@1510917 13f79535-47bb-0310-9956-ffa450edef68
Re-write parent of released artefacts prior to generating website content

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/project-release-tools/trunk@1517580 13f79535-47bb-0310-9956-ffa450edef68