Added patricia tree sample proofs for test.
Added patricia tree sample proofs for test.


Former-commit-id: 0e3127ac26cff14be863fa2522b10e529c188c5a
exonum/exonum,exonum/exonum,alekseysidorov/exonum,exonum/exonum,exonum/exonum,alekseysidorov/exonum,alekseysidorov/exonum,alekseysidorov/exonum