Fix user bar dropdown.

Author: huacnlee

app/views/common/_user_nav.html.erb

@@ -9,7 +9,10 @@
     <a href="<%= notifications_path %>" id="user_notifications_count"><span class="badge <%= badge_class %>"><%= unread_notify_count %></span></a>
   </li>
   <li class="dropdown" id="user_menu">
-    <%= link_to(sanitize("#{current_user.login} <b class='caret'></b>"), "#user_menu", class: "dropdown-toggle", "data-toggle" => "dropdown") %>
+    <a href="#user_menu" class="dropdown-toggle" data-toggle="dropdown">
+      <%= current_user.login %>
+      <b class='caret'></b>
+    </a>
     <%= render_list class: "dropdown-menu" do |li|
       li << link_to(t("menu.my_home_page"), user_path(current_user.login) )
       unless params[:controller].match(/cpanel/)