Standard - Rewrite auth request section so that all requests can use request parameter method and request file method

[Edmund Jay]

Currently, the way it's written, the reader assumes that the Request parameter method and Request file method can only be used by the authorization code flow.

Also renaming the Query Parameters method to the Simple Request method since both GET and POST may be used by this method.

Also, updating version to draft 5 and date.

[Edmund Jay]

fixes #130 Standard - Rewrite auth request section so that all requests can use request parameter method and request file method, update version and date

→ 0d736000f288