Improvements and new features added to the UserDir directive:

Additional forms of specifiying user directories, and the ability to
specify multiple user directories, much like the DirectoryIndex
command.

Submitted by: Alexei Kosut <akosut@nueva.pvt.k12.ca.us>
Obtained from: 56b.alias_userdir.patch


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@76340 13f79535-47bb-0310-9956-ffa450edef68