Merged in feature/from-pantheon (pull request #16)

code from pantheon

* code from pantheon

wp/wp-content/plugins/contact-form-7/modules/response.php

@@ -0,0 +1,23 @@
+<?php
+/**
+** A base module for [response]
+**/
+
+/* form_tag handler */
+
+add_action( 'wpcf7_init', 'wpcf7_add_form_tag_response', 10, 0 );
+
+function wpcf7_add_form_tag_response() {
+	wpcf7_add_form_tag( 'response',
+		'wpcf7_response_form_tag_handler',
+		array(
+			'display-block' => true,
+		)
+	);
+}
+
+function wpcf7_response_form_tag_handler( $tag ) {
+	if ( $contact_form = wpcf7_get_current_contact_form() ) {
+		return $contact_form->form_response_output();
+	}
+}