Use empty default object

Looks as if the having one of these objects as the default causes overwriting in some way, as opposed to augmentation. Have the source object be an empty one, so that it gets the attributes of both defaults and props. Fixes #642.

src/components/forms/validations.jsx

@@ -29,8 +29,9 @@ module.exports.validationHOCFactory = function (defaultValidationErrors) {
         var ValidatedComponent = React.createClass({
             render: function () {
                 var validationErrors = defaults(
-                    this.props.validationErrors,
-                    defaultValidationErrors
+                    {},
+                    defaultValidationErrors,
+                    this.props.validationErrors
                 );
                 return (
                     <Component {...this.props} validationErrors={validationErrors} />