Add Slade public email address.
Merge pull request #3 from d2rk/update-contributors-list

Update contributors list
Merge pull request #6 from Sanrag/master

Remove old GroningenServlet, the new UI and REST endpoints are working on Groningen now
Replace orginal README file with the new once that supports flavored markdown. Add travis indicator.
Merge pull request #4 from d2rk/refactor-readme

Refactor readme