message: Trusted producer should be configured via cfg and cli. GH
diff: @@ -249,6 +249,7 @@ void chain_plugin::set_program_options(options_description& cli, options_descrip
  "In \"light\" mode all incoming blocks headers will be fully validated; transactions in those validated blocks will be trusted \n")
  ("disable-ram-billing-notify-checks", bpo::bool_switch()->default_value(false),
  "Disable the check which subjectively fails a transaction if a contract bills more RAM to another account within the context of a notification handler (i.e. when the receiver is not the code of the action).")
  + ("trusted-producer", bpo::value<vector<string>>()->composing(), "Indicate a producer whose blocks headers signed by it will be fully validated, but transactions in those validated blocks will be trusted.")
  ;
  // TODO: rate limiting
  @@ -286,7 +287,6 @@ void chain_plugin::set_program_options(options_description& cli, options_descrip
  "replace reversible block database with blocks imported from specified file and then exit")
  ("export-reversible-blocks", bpo::value<bfs::path>(),
  "export reversible block database in portable format into specified file and then exit")
  - ("trusted-producer", bpo::value<vector<string>>()->composing(), "Indicate a producer whose blocks headers signed by it will be fully validated, but transactions in those validated blocks will be trusted.")
  ("snapshot", bpo::value<bfs::path>(), "File to read Snapshot State from")
  ;
  