"Recent Posts" -> "All Posts"

Blog sidebar shows all the posts, not just the most recent ones.

docs/_includes/nav/collection_nav.html

@@ -16,7 +16,7 @@
         </div>
         <div class="navGroups">
           {% if include.type == "blog" %}
-            {% assign grouptitle = "Recent Posts" %}
+            {% assign grouptitle = "All Posts" %}
             {% assign groupitems = include.navdata %}
             {% include nav/collection_nav_group.html %}
           {% else %}