Add link to the minified jquery, too.
<!DOCTYPE html>
<html>
<head>
<title><%= title %></title>
<!--[if lt IE 9]>
<script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
%= stylesheet '/assets/css/bootstrap.css'
%= stylesheet begin
body {
padding-top: 60px;
}
% end
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
<div class="navbar navbar-fixed-top">
<div class="navbar-inner">
<div class="container">
<a class="btn btn-navbar" data-toggle="collapse" data-target=".nav-collapse">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</a>
%= link_to 'Crash test' => url_for('index') => (class => 'brand')
<!--
<ul class="nav">
<li class="wactive"><a href="#">Home</a></li>
<li><a href="#about">About</a></li>
<li><a href="#contact">Contact</a></li>
</ul>
-->
</div>
</div>
</div>
<div class="container">
% content_for 'success_messages' => begin
% if ( defined($self->session->{success_messages}) && ( scalar( @{ $self->session->{success_messages}} ) > 0 ) ){
%foreach my $notice ( @{ $self->session->{success_messages}} ){
<div class="alert alert-success">
<a class="close" data-dismiss="alert">×</a>
<p><%= $notice; %></p>
</div>
%}
%delete($self->session->{success_messages});
%}
%end
% content_for 'noticed_messages' => begin
% if ( defined($self->session->{notice_messages}) && ( scalar( @{ $self->session->{notice_messages}} ) > 0 ) ){
%foreach my $notice ( @{ $self->session->{notice_messages}} ){
<div class="alert alert-info">
<a class="close" data-dismiss="alert">×</a>
<p><%= $notice; %></p>
</div>
%}
%delete($self->session->{notice_messages});
%}
%end
% content_for 'error_messages' => begin
% if ( defined($self->session->{error_messages}) && ( scalar( @{ $self->session->{error_messages}} ) > 0 ) ){
<div id="error-messages" class="error-messages">
%foreach my $error ( @{ $self->session->{error_messages}} ){
<div class="alert alert-error">
<a class="close" data-dismiss="alert">×</a>
<p><%= $error; %></p>
</div>
%}
%delete($self->session->{error_messages});
</div>
%}
%end
<%= content_for 'hero_unit' %>
<%= content_for 'error_messages' %>
<%= content_for 'noticed_messages' %>
<%= content_for 'success_messages' %>
<%= content %>
</div>
% if ( $self->app->mode eq 'development'){
%= javascript '/assets/js/jquery.js'
%= javascript '/assets/js/bootstrap.js'
%} else {
%= javascript '/assets/js/jquery.min.js'
%= javascript '/assets/js/bootstrap.min.js'
%}
%= javascript '/assets/js/application.js'
</body>
</html>