some documentation improvements, jinja escapes " and ' now, both into charpoints and no named entities for html 3.2 support ;-)

--HG--
branch : trunk
diff --git a/docs/_templates/layout.html b/docs/_templates/layout.html
index b0e3488..0e80308 100644
--- a/docs/_templates/layout.html
+++ b/docs/_templates/layout.html
@@ -45,7 +45,8 @@
   <body>
     <div id="content">
       <div class="header">
-        <h1 class="heading"><a href="{{ pathto('index') }}"><span>Jinja</span></a></h1>
+        <h1 class="heading"><a href="{{ pathto('index') }}"
+          title="back to the documentation overview"><span>Jinja</span></a></h1>
       </div>
       <div class="relnav">
         {%- if prev %}