New FC_LOG_AND_RETHROW wraps plugin init std::exception in fc::exception. Added special return code and output for dirty flag exception when wrapped in a fc::exception.
New FC_LOG_AND_RETHROW wraps plugin init std::exception in fc::exception. Added special return code and output for dirty flag exception when wrapped in a fc::exception.

EOSIO/eos,EOSIO/eos,EOSIO/eos,EOSIO/eos,EOSIO/eos