Install the templates where they can be found by hgweb.py
This ought to use package_data but that doesn't exist in Python 2.3.
So we do a hack of install_data and use glob.
This also adds templatepath() to hgweb.py which finds the templates
relative to hgweb.py's location.
#header#
<title>#repo#: manifest #manifest#</title>
</head>
<body>
<div class="buttons">
<a href="?cmd=changelog;rev=#rev#">changelog</a>
<a href="?cmd=changeset;node=#node#">changeset</a>
</div>
<h2>manifest: #path#</h2>
<div class="parity1"><a href="?cmd=manifest;manifest=#manifest#;path=#up#">[up]</a><br /></div>
#entries#
#footer#