navbar CSS adujstments to fit with wwW.ozwillo.com navbar
make active current page (#6605)
custom Data top menu (#6605)
login link fixed
Ozwillo logo replaces Oasis
logout link updated
distinct url for ozwillo portal
ozwillo links built from a config var (#6604)
"terms of use" link removed from header (#6601)
login and logout links updated
serve static copies of logo
adapt header to have login or logout links according to user status
hardcode user login url to facilitate oidc debug
style: use ozwillo header and footer