chore(start.sh): lower threshold for min_uses=2 to 98%

Upgrade to Lassie 0.16.1

chore(protobuf): update protobuf version

chore: protobuf upgrade

chore(registration): integer ms between registrations

chore: cleanup and protobuf update

Upgrade Lassie v0.15.0 (filecoin-saturn#471)

feat(deps): upgrade lassie v0.15.0

Upgrade Lassie v0.15.0 (filecoin-saturn#471)

feat(deps): upgrade lassie v0.15.0

fix(pre-register): send preregistration fields

fix(pre-register): check pre-register response