message: look for activate in cwd
diff: @@ -62,7 +62,7 @@ module.exports = class RestSessionCreator {
  const registerCmd = `./register_new_matrix_user ${registerArgs.join(' ')}`;
  const allCmds = [
  `cd ${this.synapseSubdir}`,
  - ". activate",
  + ". ./activate",
  registerCmd
  ].join(' && ');
  