refactor(forks/lstar): move multi-signature types out of crypto layer#796

tcoratger merged 2 commits into

leanEthereum:mainleanEthereum/leanSpec:mainfrom

tcoratger:refactor/multisig-types-out-of-cryptotcoratger/leanSpec:refactor/multisig-types-out-of-cryptoCopy head branch name to clipboard