Make SSO work in SAAS mode

config/packages/hwi_oauth.yaml

config/packages/security.yaml

config/routes/hwi_oauth_routing.yaml

config/services.yaml

...lication/Hwi/OAuthBundle/Controller/ConnectController.php

src/Application/Hwi/OAuthBundle/Security/OAuthListener.php

src/Application/Hwi/OAuthBundle/Security/OAuthUtils.php

...lication/Sonata/UserBundle/Security/FOSUBUserProvider.php

src/Utils.php