make public/private endpoints' roots look uniform
make public/private endpoints' roots look uniform


Former-commit-id: d245873d0917f047c901ddc907b6304226acf168
alekseysidorov/exonum,exonum/exonum,exonum/exonum,alekseysidorov/exonum,exonum/exonum,alekseysidorov/exonum,exonum/exonum,alekseysidorov/exonum