changed FormHelper::secure() and FormHelper::end() to support attributes in the hidden CSRF-protection tags that are being generated for SecurityComponent to allow specification of additional html attributes like HTML5s "form" attribute. This allows separation of Form instantiation/controls and form data - for instance within html tables
improved tests for testing against additional attributes for Form::secure()
improved tests for testing against additional attributes for Form::end()
removed array cast, fixed test
fixed docblock format
format