public function browse()
{
$this->user->restrict('Admin.Extensions.Access');
$this->template->setTitle($this->lang->line('text_browse_heading'));
$this->template->setHeading($this->lang->line('text_browse_heading'));
$this->template->setButton($this->lang->line('button_new'), array('class' => 'btn btn-primary', 'href' => site_url('extensions/add')));
$this->template->setButton($this->lang->line('button_icon_back'), array('class' => 'btn btn-default', 'href' => site_url('extensions')));
$data['_action'] = site_url('extensions/browse');
$this->template->render('extensions_browse', $data);
}