Replace 'rocksdb' command line parameter to more generic 'database'
Replace 'rocksdb' command line parameter to more generic 'database'

alekseysidorov/exonum,alekseysidorov/exonum,exonum/exonum,exonum/exonum,exonum/exonum,exonum/exonum,alekseysidorov/exonum,alekseysidorov/exonum