Merge remote-tracking branch 'origin/restructure' into restructure

e2e/ratchet/partner/session/negotiation.go

e2e/ratchet/partner/session/session.go

e2e/ratchet/partner/session/session_test.go

e2e/ratchet/partner/session/utils_test.go

network/gateway/hostPool.go

network/gateway/hostpool_test.go

network/gateway/sender.go

network/gateway/sender_test.go

network/gateway/storeHostList.go

network/gateway/storeHostList_test.go

network/gateway/utils_test.go

network/health/tracker.go

network/health/tracker_test.go

network/historical/historical.go

network/historical/historical_test.go

network/historical/params.go

network/identity/tracker.go

network/manager.go

network/message/fingerprints.go

network/message/fingerprints_test.go