Add three additional configure options (--runtimedir, --logfiledir,

--proxycachedir) to provide the possibility to adjust paths more granular.
This is especially important for package maintainers.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@81053 13f79535-47bb-0310-9956-ffa450edef68