do a synchronous request for Log Out link (bug 787251)

media/js/mkt/fragments.js

@@ -1,6 +1,7 @@
 // is the captured node exempt from fragment loading?
 function fragmentFilter(el) {
-    var href = el.getAttribute('href') || el.getAttribute('action');
+    var href = el.getAttribute('href') || el.getAttribute('action'),
+        $el = $(el);
     return !href || href.substr(0,4) == 'http' ||
             href.substr(0,7) === 'mailto:' ||
             href.substr(0,11) === 'javascript:' ||
@@ -10,7 +11,7 @@ function fragmentFilter(el) {
             href.indexOf('/statistics/') !== -1 ||
             href.indexOf('?modified=') !== -1 ||
             el.getAttribute('target') === '_blank' ||
-            $(el).hasClass('post');
+            $el.hasClass('post') || $el.hasClass('sync');
 }
 
 (function(container, nodeFilter) {

mkt/templates/mkt/base.html

@@ -74,7 +74,7 @@
             {% trans user=request.amo_user.email %}
               Signed in as <b>{{ user }}</b>
             {% endtrans %}
-            <a href="{{ url('users.logout') }}" class="logout">
+            <a href="{{ url('users.logout') }}" class="sync logout">
               ({{ _('Log Out') }})</a>
           {% else %}
             <a class="button browserid" href="#">{{ _('Log in / Register') }}</a>
@@ -84,7 +84,7 @@
           <p>
             {% if logged %}
               {% for link in tools_links %}
-                <a href="{{ link.href }}" rel="external">{{ link.text }}</a>
+                <a href="{{ link.href }}" class="sync" rel="external">{{ link.text }}</a>
               {% endfor %}
               {% if request.can_view_consumer %}
                 {# TODO: Coming soon with payments. #}