fix bloom filter to set optimal parameters
fix bloom filter to set optimal parameters

bitshares/bitshares-2,abitmore/bitshares-2,oxarbitrage/bitshares-core,peertracksinc/muse,bitshares/bitshares-2,bigoc/openchain,oxarbitrage/bitshares-core,bitshares/bitshares-2,abitmore/bitshares-2,peertracksinc/muse,pmconrad/graphene,oxarbitrage/bitshares-core,abitmore/bitshares-2,oxarbitrage/bitshares-core,abitmore/bitshares-2,peertracksinc/muse,bitsuperlab/cpp-play2,pmconrad/graphene,bitsuperlab/cpp-play2,pmconrad/graphene,cryptonomex/graphene,peertracksinc/muse,bitsuperlab/cpp-play2,cryptonomex/graphene,bigoc/openchain,bigoc/openchain,cryptonomex/graphene,pmconrad/graphene,bitshares/bitshares-2,bigoc/openchain