Move blog index to be part of base template.

This way, it's not on the bottom of pages.  This shouldn't cause
trouble, since when date_list isn't defined, nothing is shown by this
code.

www/conservancy/templates/base_blog.html

@@ -24,6 +24,12 @@
 (<a href="/feeds/blog/?tag={{ tag.slug }}">rss</a>)</li>
 {% endfor %}
 </ul>
+{% if date_list %}
+<h3>Blog Index by Year</h3>
+<ul>
+{% for year in date_list reversed %}<li><a href="{{ year|date:"Y" }}/">{{ year|date:"Y" }}</a></li>{% endfor %}
+</ul>
+{% endif %}
 
 <h2><a href="/blog/">See all posts&hellip;</a></h2>
 <!-- <p><a href="/blog/query/">Query...</a></p> -->

www/conservancy/templates/blog/entry_list.html

@@ -29,11 +29,4 @@
 <p class="pagination_list">{% if blog_entries.num_pages > 1 %} {% for pagenum in blog_entries.paginator.page_range %}{% ifequal pagenum blog_entries.number %}[{{ pagenum }}]{% else %}<a href="?page={{ pagenum }}">{{ pagenum }}</a>{% endifequal %} {% endfor %}{% endif %}</p>
 <div class="clear"></div>
 
-{% if date_list %}
-<h3>Blog Index by Year</h3>
-<ul>
-{% for year in date_list reversed %}<li><a href="{{ year|date:"Y" }}/">{{ year|date:"Y" }}</a></li>{% endfor %}
-</ul>
-{% endif %}
-
 {% endblock %}