Fixed javadoc plugin configuration

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1517798 13f79535-47bb-0310-9956-ffa450edef68
Manually configured maven reports that are applicable to the given artifact

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1517799 13f79535-47bb-0310-9956-ffa450edef68