app/helpers/application_helper/toolbar/x_history.rb
class ApplicationHelper::Toolbar::XHistory < ApplicationHelper::Toolbar::Basic
button_group('history_main', [
button(
:summary_reload,
'fa fa-refresh fa-lg',
N_('Refresh this page'),
nil,
:url => "reload",
:klass => ApplicationHelper::Button::SummaryReload),
])
end