show some navigation on every page

closes #1

incorporealcms/templates/base.html

@@ -2,6 +2,12 @@
 <title>{{ title }}{% if title %} - {% endif %}{{ config.TITLE_SUFFIX }}</title>
 <link rel="stylesheet" href="{{ url_for('static', filename='css/style.css') }}">
 <link rel="icon" href="{{ url_for('static', filename='img/favicon.png') }}">
+<section class="nav">
+    {% for nav in navs %}
+    <a href="{{ nav.1 }}">{{ nav.0 }}</a>
+    {% if not loop.last %} &raquo; {% endif %}
+    {% endfor %}
+</section>
 <section class="content">
 {{ content }}
 </section>