Make it possible to send client_id/client_secret as basic auth
Make it possible to send client_id/client_secret as basic auth

See: https://tools.ietf.org/html/rfc6749#section-2.3.1

itsyouonline/identityserver,itsyouonline/identityserver,lucasvanhalst/identityserver,itsyouonline/identityserver,itsyouonline/identityserver,lucasvanhalst/identityserver,lucasvanhalst/identityserver,itsyouonline/identityserver,lucasvanhalst/identityserver