Allow for editing flatpage titles, and made a common uneditable list of links.

templates/menu.html

@@ -0,0 +1,12 @@
+{% if not homepage %}
+<ul id="links">
+<li><a href="/index.htm">Home</a></li>
+<li><a href="/infodx.htm">Main Index</a></li>
+<li><a href="/troggle">Troggle</a></li>
+<li><a href="/areas.htm">Areas</a></li>
+<li><a href="/indxal.htm">Caves</a></li>
+<li><a href="/handbook/index.htm">Handbook</a></li>
+<li><a href="/pubs.htm">Reports</a></li>
+{% if editable %}<li><a href="{% url editflatpage path %}">Edit</a></li>{% endif %}
+</ul>
+{% endif %}