Add i18n internationalization and config file support.

* Update README.md with more detailed instructions
* Add sample zone file
* Add remedial i18n translations from Bing
* Add errorHandler function for TLS errors.
* Add nconf support for external config.json file
* Include sample config.json
* Correct paths for siri in examples

You may wish to edit by hand the `zh.js` file for a more correct translation.

Set your locale in `config.json` or on the command line `sudo node examples/proxy.js --locale zh`