ENYO-2899: add `deploy.json` 

- Avoid copying the entire library at `deploy.js` time
- Rename `CONTRIBUTING md` into `CONTRIBUTING.md`

Enyo-DCO-1.0-Signed-off-by: Francois-Xavier KOWALSKI <francois-xavier.kowalski@hp.com>
Merge pull request #6 from enyojs/ENYO-2899

ENYO-2899: add `deploy.json`

Reviewed-By: Ben Combee (ben.combee@lge.com)