[enh] #750 Keep only the last protocol rules (for v1.0)

app/controllers/blockchain.js

app/lib/computation/blockGenerator.js

app/lib/computation/blockchainContext.js

app/lib/computation/permanentProver.js

app/lib/constants.js

app/lib/dal/fileDAL.js

app/lib/dal/sqliteDAL/MetaDAL.js

app/lib/dal/sqliteDAL/TxsDAL.js

app/lib/dup/indexer.js

app/lib/entity/block.js

app/lib/entity/transaction.js

app/lib/rules/global_rules.js

app/lib/rules/index.js

app/lib/rules/local_rules.js

app/lib/streams/parsers/block.js

app/lib/streams/parsers/transaction.js

app/lib/sync.js

app/lib/ucp/rawer.js

app/service/BlockchainService.js

app/service/PeeringService.js