Add precommits validators verification
Add precommits validators verification


Former-commit-id: b9dc1047459fdd983bc08226701c517c18f99d17
alekseysidorov/exonum,alekseysidorov/exonum,exonum/exonum,exonum/exonum,alekseysidorov/exonum,exonum/exonum,alekseysidorov/exonum,exonum/exonum