MCHANGES-341 Externalize JIRA server timeout values to the configuration section.

This changes timeouts while accessing JIRA's REST API.

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1626316 13f79535-47bb-0310-9956-ffa450edef68
Made IT work in git-clone

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1626350 13f79535-47bb-0310-9956-ffa450edef68
Minor changes of api usage in plexus-archiver to avoid upcoming removals

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1626353 13f79535-47bb-0310-9956-ffa450edef68