Merge branch 'controlNodeReg' into 'release'

bindings/channels.go

bindings/follow.go

cmix/client.go

cmix/follow.go

cmix/interface.go

cmix/nodes/interfaces.go

cmix/nodes/register.go

cmix/nodes/registrar.go

cmix/nodes/registrar_test.go

cmix/nodes/utils_test.go

cmix/parallelNodeRegistrations_js.go

cmix/params.go

connect/utils_test.go

dummy/mockCmix_test.go

e2e/fpGenerator_test.go

e2e/rekey/utils_test.go

e2e/utils_test.go

fileTransfer/connect/utils_test.go

fileTransfer/e2e/utils_test.go

fileTransfer/groupChat/utils_test.go