Update README.md

Doc fix
Update zfr_oauth2_server.global.php.dist

Update zfr_oauth2_server.global.php.dist
Merge pull request #9 from Orkin/patch-1

Update README.md
Merge pull request #10 from Orkin/patch-2

Update zfr_oauth2_server.global.php.dist
Merge branch 'master' of https://github.com/zf-fr/zfr-oauth2-server-module into simplify-auth
Update tests