More API Document improvements
move classes that are not to be included in official API docs into an internal directory
ignore internal directory in makedoc procedure.


git-svn-id: http://svn.cmsmadesimple.org/svn/cmsmadesimple@9368 3d254a34-79dc-0310-9e5f-be208747d8a0
minor.


git-svn-id: http://svn.cmsmadesimple.org/svn/cmsmadesimple@9369 3d254a34-79dc-0310-9e5f-be208747d8a0