update Dossiers design to v3

See: https://git.laquadrature.net/memopol/memopol/issues/189

src/memopol/static/css/custom.css

@@ -62,16 +62,18 @@ body, .panel-title {
 	font-family: FiraSansRegular, "Helvetica Neue",Helvetica,Arial,sans-serif;
 }
 
-h2, h3, h4, h5, h6 {
+h1, h2 {
+    font-family: Propaganda, "Helvetica Neue",Helvetica,Arial,sans-serif;
+}
+
+h3, h4, h5, h6 {
 	font-family: SansusWebissimoRegular, "Helvetica Neue", Helvetica, Arial, sans-serif;
 }
 
 h1 {
-	font-family: Propaganda, "Helvetica Neue",Helvetica,Arial,sans-serif;
 	font-size: 2.5em;
 }
 
-
 h2 {
 	font-size: 1.7em;
 }

src/memopol/templates/representatives_votes/dossier_detail.html

@@ -11,16 +11,22 @@
   <div class="row" id="dossier-detail">
     <div class="col-sm-12">
       <h1 class="text-center">{{ dossier.title }}</h1>
+        <p class="lead text-center">Last update on {{ dossier.updated|date:'d M Y' }}.</p>
 
-      <div class="col-sm-12">
-        <dl class="dl-horizontal">
-          <dt>{% trans "Themes" %}</dt>
-          <dd>
-            {% include "blocks/_themetags.html" with themes=dossier.themes.all %}
-            {% if not dossier.themes.all|length %}{% trans "None" %}{% endif %}
-          </dd>
-        </dl>
-      </div>
+        <div class="page-header clearfix">
+          <h2 class="pull-left">
+            LQDN's opinion <small>(résumé/intro)</small>
+          </h2>
+
+          <span class="pull-right">
+              {% include "blocks/_themetags.html" with themes=dossier.themes.all %}
+              {% if not dossier.themes.all|length %}{% trans "None" %}{% endif %}
+          </span>
+        </div>
+
+        <p>
+          {{ dossier.text }}
+        </p>
     </div>
   </div>