Add a compact overview list of available modules to give the user a lot

more support for the module decision at installation time. More than
one user requested such a list and I now think it is a good thing, too.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@81660 13f79535-47bb-0310-9956-ffa450edef68