Fixes to message classes.

misago/templates/misago/messages.html

@@ -3,16 +3,19 @@
 <div class="misago-alerts alerts-fixed">
   {% for message in messages %}
   <div>
-    <p class="alert alert-{{ message.tags }}">
-      {% if 'info' in message.tags %}
+    {% if 'info' in message.tags %}
+    <p class="alert alert-info">
       <span class="alert-icon fa fa-check-circle"></span>
-      {% elif 'success' in message.tags %}
+    {% elif 'success' in message.tags %}
+    <p class="alert alert-success">
       <span class="alert-icon fa fa-question-circle"></span>
-      {% elif 'warning' in message.tags %}
+    {% elif 'warning' in message.tags %}
+    <p class="alert alert-warning">
       <span class="alert-icon fa fa-exclamation-triangle"></span>
-      {% elif 'error' in message.tags %}
+    {% elif 'error' in message.tags %}
+    <p class="alert alert-danger">
       <span class="alert-icon fa fa-times-circle"></span>
-      {% endif %}
+    {% endif %}
       {{ message }}
       <button type="button" class="close" data-dismiss="alert" aria-hidden="true">{% trans "Ok!" %}</button>
     </p>