urlutil: use bytes for Abort messages
Caught by pytype. Also fix a minor grammar issue in the second message.
Differential Revision: https://phab.mercurial-scm.org/D10433
{header}
<title>{repo|escape}: branches</title>
<link rel="alternate" type="application/atom+xml"
href="{url|urlescape}atom-branches" title="Atom feed for {repo|escape}: branches">
<link rel="alternate" type="application/rss+xml"
href="{url|urlescape}rss-branches" title="RSS feed for {repo|escape}: branches">
</head>
<body>
<div class="buttons">
<a href="{url|urlescape}log{sessionvars%urlparameter}">changelog</a>
<a href="{url|urlescape}shortlog{sessionvars%urlparameter}">shortlog</a>
<a href="{url|urlescape}graph{sessionvars%urlparameter}">graph</a>
<a href="{url|urlescape}tags{sessionvars%urlparameter}">tags</a>
<a href="{url|urlescape}file{sessionvars%urlparameter}">files</a>
<a href="{url|urlescape}help{sessionvars%urlparameter}">help</a>
<a type="application/rss+xml" href="{url|urlescape}rss-branches">rss</a>
<a type="application/atom+xml" href="{url|urlescape}atom-branches">atom</a>
</div>
<h2><a href="/">Mercurial</a> {pathdef%breadcrumb} / branches</h2>
<ul id="tagEntries">
{entries%branchentry}
</ul>
{footer}