Merge branch 'multiparty_synchronous' into 'master'

actris/utils/cofe_solver_2.v

actris/utils/compare.v

actris/utils/contribution.v

actris/utils/group.v

actris/utils/llist.v

actris/utils/switch.v

coq-actris.opam

make-package

multris/channel/channel.v

multris/channel/proofmode.v

multris/channel/proto.v

multris/channel/proto_model.v

multris/examples/basics.v

multris/examples/leader_election.v

multris/examples/three_buyer.v

multris/examples/two_buyer.v

multris/utils/cofe_solver_2.v

multris/utils/matrix.v