Add travis build options for consensus.
Add travis build options for consensus.

libmetrocoin/libmetrocoin-server,tuomassiren/libbitcoin-server,tuomassiren/libbitcoin-server,RojavaCrypto/libbitcoin-server,libmetrocoin/libmetrocoin-server,RojavaCrypto/libbitcoin-server,RojavaCrypto/libbitcoin-server,libmetrocoin/libmetrocoin-server,tuomassiren/libbitcoin-server