MCHANGES-334 RestJiraDownloader doesn't honor proxy settings

Fetch proxy information from settings and project and inject them
in httpClientPolicy.

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1627124 13f79535-47bb-0310-9956-ffa450edef68
[MCHANGES-343]
 - Updated maven-reporting-impl to version 2.3


git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1627139 13f79535-47bb-0310-9956-ffa450edef68