mercurial.el: implement hg-pull, and stub in hg-update.
#header#
<title>#repo|escape#: #file# annotate</title>
</head>
<body>
<div class="buttons">
<a href="?cmd=changelog;rev=#rev#">changelog</a>
<a href="?cmd=tags">tags</a>
<a href="?cmd=changeset;node=#node#">changeset</a>
<a href="?cmd=manifest;manifest=#manifest#;path=#path#">manifest</a>
<a href="?cmd=file;file=#file#;filenode=#filenode#">file</a>
<a href="?cmd=filelog;file=#file#;filenode=#filenode#">revisions</a>
</div>
<h2>Annotate #file# (#filenode|short#)</h2>
<table>
<tr>
<td class="metatag">changeset #rev#:</td>
<td><a href="?cmd=changeset;node=#node#">#node|short#</a></td></tr>
#parent#
<tr>
<td class="metatag">manifest:</td>
<td><a href="?cmd=manifest;manifest=#manifest#;path=/">#manifest|short#</a></td></tr>
<tr>
<td class="metatag">author:</td>
<td>#author|obfuscate#</td></tr>
<tr>
<td class="metatag">date:</td>
<td>#date|date# (#date|age# ago)</td></tr>
<tr>
<td class="metatag">permissions:</td>
<td>#permissions|permissions#</td></tr>
</table>
<br/>
<table cellspacing="0" cellpadding="0">
#annotate%annotateline#
</table>
#footer#