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)
<table class="changelogEntry parity#parity#">
<tr>
<th class="age" width="15%">#date|age# ago:</th>
<th class="firstline">#desc|firstline|escape#</th>
</tr>
<tr>
<th class="changesetRev">changeset #rev#:</th>
<td class="changesetNode"><a href="?cs=#node|short#">#node|short#</a></td>
</tr>
#parent#
#changelogtag#
<tr>
<th class="author">author:</th>
<td class="author">#author|obfuscate#</td>
</tr>
<tr>
<th class="date">date:</th>
<td class="date">#date|date#</td>
</tr>
<tr>
<th class="files"><a href="?mf=#manifest|short#;path=/">files</a>:</th>
<td class="files">#files#</td>
</tr>
</table>