Switch to Nikola website generator

Among important changes, we're using bootstrap now.

themes/kwant/templates/base.tmpl

@@ -22,7 +22,8 @@
             <span class="icon-bar"></span>
             <span class="icon-bar"></span>
             </button>
-            <p><a class="navbar-brand" href="{{ abs_link(_link("root", None, lang)) }}"></p>
+            <a class="navbar-brand" href="{{ abs_link(_link("root", None, lang)) }}">
+            <p>
             {% if logo_url %}
                 <img src="{{ logo_url }}" alt="{{ blog_title }}" id="logo">
             {% endif %}
@@ -30,6 +31,7 @@
             {% if show_blog_title %}
                 <span id="blog-title">{{ blog_title }}</span>
             {% endif %}
+            </p>
             </a>
         </div><!-- /.navbar-header -->
         <div class="collapse navbar-collapse navbar-ex1-collapse">