Update README.md

Changed url in documentation to match the code
Update resource.php

Removed email from code
Update resource.php

Changed to POST instead of GET. This is to match the code in the form on demo page
Update authorize.php

Removed email from the code to match the database structure given in the documentation.
Update authorize.php

Removed email from the insert query.
Merge pull request #1 from anders-akero/master

Fix: Code and database did not match. Demo and code did not match