Add a multi-repository server
This merges a bunch of the ideas for a multi-repository CGI script and
simplifies things a bit.
It uses PATH_INFO so it generally wants paths of the form:
http://host/hg.cgi/virtualpath
This gets mapped via a simple config file to the real path. All info
about the repo is read from the repo's hgrc.
#header#
<title>#repo#: tags</title>
</head>
<body>
<div class="buttons">
<a href="?cmd=changelog;rev=#rev#">changelog</a>
<a href="?cmd=manifest;manifest=#manifest#;path=/">manifest</a>
</div>
<h2>tags:</h2>
<ul id="tagEntries">
#entries#
</ul>
#footer#