Fix generation of event ids so that they are consistent between local and remote ids
Fix generation of event ids so that they are consistent between local and remote ids

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