Add suport Sikuli

- https://github.com/sterodium/selenium-grid-extensions
- http://blog.tcherezov.com/selenium-with-sikuli-image-recognition.html#selenium-with-sikuli-image-recognition
- https://dzone.com/articles/extending-selenium-with-image-recognition-1?edition=184475&utm_source=Daily%20Digest&utm_medium=email&utm_content=POS10&utm_campaign=dd%202016-06-21
- http://sterodium.io/
