[MSITE-714] display info on Doxia documents rendered

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1598416 13f79535-47bb-0310-9956-ffa450edef68
ordered Doxia parsers statistics

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1598422 13f79535-47bb-0310-9956-ffa450edef68
removed unused import

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1598428 13f79535-47bb-0310-9956-ffa450edef68
renamed My* inner classes to better name MultiPage*

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1598430 13f79535-47bb-0310-9956-ffa450edef68