Index first parameter of match and claim events in Voucher contract#72

james-toussaint merged 3 commits intodevelopiExecBlockchainComputing/iexec-voucher-contracts:developfrom

feature/index-first-param-of-match-and-claim-eventsiExecBlockchainComputing/iexec-voucher-contracts:feature/index-first-param-of-match-and-claim-eventsCopy head branch name to clipboard