Switch to side-by-side view

--- a/Allura/allura/templates/site_admin.html
+++ b/Allura/allura/templates/site_admin.html
@@ -6,7 +6,7 @@
 
 {% block nav_menu %}
 <div class="column grid_1">
-  <img src="{{g.forge_static('images/project_default.png')}}" class="project_icon"/>
+  <img src="{{g.forge_static('images/project_default.png')}}" class="project_icon" alt=""/>
 </div>
 <div class="column grid_9">
   <h1 class="project_title">Site Admin</h1>