flash messaging prepare

SWSCloudCore/templates/default/_header.html

@@ -34,3 +34,16 @@
         </div>
     </div>
 </header>
+{% with messages = get_flashed_messages(with_categories=true) %}
+    {% if messages %}
+    <div class="row">
+        <div class="large-12 columns">
+            <ul class="flashes">
+                {% for category, message in messages %}
+                    <li class="{{ category }}">{{ message }}</li>
+                {% endfor %}
+            </ul>
+        </div>
+    </div>
+    {% endif %}
+{% endwith %}