Use legacy bottle templating syntax.

views/base.tpl

@@ -33,7 +33,7 @@
   </header>
 
   <section role="main" class="container">
-    {{!base}}
+  %include
   </section>
 
   <footer>

views/legal.tpl

@@ -1,4 +1,4 @@
-% rebase('base.tpl', page='legal')
+%rebase base page='legal'
 
 <h1>Mentions légales</h1>
 

views/map.tpl

@@ -1,4 +1,4 @@
-% rebase('base.tpl', page='map')
+%rebase base page='map'
 
 <!-- <span class="back-link">&larr; <a href="/">Accueil</a></span> -->
 

views/thanks.tpl

@@ -1,4 +1,4 @@
-% rebase('base.tpl', page='thanks')
+%rebase base page='thanks'
 
 <h1>Merci !</h1>
 

views/wifi-form.tpl

@@ -1,4 +1,4 @@
-% rebase('base.tpl', page='form')
+%rebase base page='form'
   <script src="assets/form.js" type="text/javascript"></script>
 
   <header class="jumbotron">