Allow --enable-registration to be passed on the commandline
Allow --enable-registration to be passed on the commandline

howethomas/synapse,matrix-org/synapse,howethomas/synapse,matrix-org/synapse,howethomas/synapse,rzr/synapse,iot-factory/synapse,TribeMedia/synapse,illicitonion/synapse,howethomas/synapse,iot-factory/synapse,illicitonion/synapse,howethomas/synapse,illicitonion/synapse,iot-factory/synapse,illicitonion/synapse,matrix-org/synapse,rzr/synapse,rzr/synapse,matrix-org/synapse,iot-factory/synapse,TribeMedia/synapse,matrix-org/synapse,illicitonion/synapse,TribeMedia/synapse,TribeMedia/synapse,TribeMedia/synapse,rzr/synapse,iot-factory/synapse,rzr/synapse,matrix-org/synapse