Merge branch 'Josh/MessengerToUser' into 'release'

backup/backupRestore.go

bindings/authenticatedConnection.go

bindings/cmix.go

bindings/connect.go

bindings/e2eAuth.go

bindings/fileTransfer.go

bindings/follow.go

cmd/backup.go

cmd/broadcast.go

cmd/callbacks.go

cmd/connect.go

cmd/dumpRounds.go

cmd/fileTransfer.go

cmd/group.go

cmd/init.go

cmd/precan.go

cmd/proto.go

cmd/root.go

cmd/single.go

cmd/ud.go