fixed settings clearfix overwritter css

rhodecode/public/css/summary.less

@@ -313,7 +313,7 b''
     color: @grey2;
 }
 
-.clearfix {
+.clear-fix {
     clear: both;
 }
 
@@ -406,7 +406,3 b''
         padding: 0 0 0 10px;
     }
 }
-
-
-
-

rhodecode/templates/summary/summary.mako

@@ -20,7 +20,7 b''
                 <div class="title">
                   <h3>${_('Quick start')}</h3>
                 </div>
-                <div class="clearfix"></div>
+                <div class="clear-fix"></div>
             </div>
          %endif
         <div class="table">