Merge branch 'release' into 'master'

cmd/node.go

cmd/root.go

cmd/version.go

cmd/version_vars.go

graphs/clientServer_test.go

graphs/keygen_test.go

graphs/realtime/decrypt_test.go

internal/instance.go

internal/instance_test.go

internal/queue_test.go

io/receiveMetrics_test.go

io/receivePoll.go

io/receivePoll_test.go

io/receivePostPhase_test.go

io/receivePostPrecompResult_test.go

io/transmitRoundTripPing_test.go

node/changeHandlers.go

node/changeHandlers_test.go

node/startRound_test.go

permissioning/mockserver_test.go