Rename _partials to _includes

source/_includes/title.twig

@@ -0,0 +1,13 @@
+{% spaceless %}<title>
+    {% if page.full_title %}
+        {{ page.full_title }}
+    {% elseif page.title and site.title %}
+        {{ page.title }} {{ site.title_separator }} {{ site.title }}
+    {% elseif site.title %}
+        {% if site.subtitle %}
+            {{ site.subtitle }} {{ site.title_separator }} {{ site.title }}
+        {% else %}
+            {{ site.title }}
+        {% endif %}
+    {% endif %}
+</title>{% endspaceless %}