hgweb: shorten all the URLs in the standard templates
A URL like this:
http://www.selenic.com/hg/?cmd=changeset;node=5010207c35273ac1331cae44c253dd41fa07cb7f
is now presented as:
http://www.selenic.com/hg/?cs=5010207c352
(though the old style still works, of course)
#header#
<title>#repo|escape#: changeset #node|short#</title>
</head>
<body>
<div class="buttons">
<a href="?cl=#rev#">changelog</a>
<a href="?cmd=tags">tags</a>
<a href="?mf=#manifest|short#">manifest</a>
<a href="?cs=#node|short#;style=raw">raw</a>
#archives%archiveentry#
</div>
<h2>changeset: #desc|escape|firstline#</h2>
<table id="changesetEntry">
<tr>
<th class="changeset">changeset #rev#:</th>
<td class="changeset"><a href="?cs=#node|short#">#node|short#</a></td>
</tr>
#parent#
#changesettag#
<tr>
<th class="author">author:</th>
<td class="author">#author|obfuscate#</td>
</tr>
<tr>
<th class="date">date:</th>
<td class="date">#date|date# (#date|age# ago)</td></tr>
<tr>
<th class="files">files:</th>
<td class="files">#files#</td></tr>
<tr>
<th class="description">description:</th>
<td class="description">#desc|escape|addbreaks#</td>
</tr>
</table>
<div id="changesetDiff">
#diff#
</div>
</body>
</html>