Sync with trunk r1786.

git-svn-id: http://redmine.rubyforge.org/svn/branches/work@1787 e93f8b46-1217-0410-a6f0-8f06a7374b81

groups/app/views/layouts/base.rhtml

@@ -6,7 +6,7 @@
 <meta name="description" content="<%= Redmine::Info.app_name %>" />
 <meta name="keywords" content="issue,bug,tracker" />
 <%= stylesheet_link_tag 'application', :media => 'all' %>
-<%= javascript_include_tag :defaults %>
+<%= javascript_include_tag :defaults, :cache => true %>
 <%= stylesheet_link_tag 'jstoolbar' %>
 <!--[if IE]>
     <style type="text/css">
@@ -14,8 +14,9 @@
       body {behavior: url(<%= stylesheet_path "csshover.htc" %>);}
     </style>
 <![endif]-->
-
-<!-- page specific tags --><%= yield :header_tags %>
+<%= call_hook :view_layouts_base_html_head %>
+<!-- page specific tags -->
+<%= yield :header_tags -%>
 </head>
 <body>
 <div id="wrapper">