update fc ntp requirments
update fc ntp requirments

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