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

code from pantheon

* code from pantheon

wp/wp-content/plugins/contact-form-7/includes/js/html5-fallback.js

@@ -0,0 +1,26 @@
+( function( $ ) {
+	$( function() {
+		var supportHtml5 = ( function() {
+			var features = {};
+			var input = document.createElement( 'input' );
+			var inputTypes = [ 'date' ];
+
+			$.each( inputTypes, function( index, value ) {
+				input.setAttribute( 'type', value );
+				features[ value ] = input.type !== 'text';
+			} );
+
+			return features;
+		} )();
+
+		if ( ! supportHtml5.date ) {
+			$( 'input.wpcf7-date[type="date"]' ).each( function() {
+				$( this ).datepicker( {
+					dateFormat: 'yy-mm-dd',
+					minDate: new Date( $( this ).attr( 'min' ) ),
+					maxDate: new Date( $( this ).attr( 'max' ) )
+				} );
+			} );
+		}
+	} );
+} )( jQuery );