@Override
    public Class<JsonpConfigBean> getConfigurationClass() {
        return JsonpConfigBean.class;
    }
Policy that turns an endpoint into a JSONP compatible endpoint. It removes the callback function param from the
request and uses it to wrap the response. The content type is set to <code>application/javascript</code>.

@see <a href="http://en.wikipedia.org/wiki/JSONP" target="_blank">JSONP - Wikipedia</a>

@author Alexandre Kieling {@literal <alex.kieling@gmail.com>}
plugins/jsonp-policy/src/main/java/io/apiman/plugins/jsonp_policy/JsonpPolicy.java