site: improve page titles in search results

site/index.md

@@ -1,4 +1,6 @@
-% home
+---
+title: home
+...
 
 <style>
 .highslide img {max-width:200px; float:right; margin:0 0 1em 1em;}

site/site.tmpl

@@ -6,7 +6,7 @@
         <link rel="icon" type="image/png" href="/images/coins2.ico">
         <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
         <meta name="viewport" content="width=device-width, initial-scale=1">
-        <title>$title$ - hledger.org</title>
+        <title>hledger: $title$</title>
         <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css">
         <link href="http://maxcdn.bootstrapcdn.com/bootswatch/3.3.0/readable/bootstrap.min.css" rel="stylesheet">
         <script src="http://code.jquery.com/jquery-1.11.0.min.js"></script>