message: Clarify storepass response
  We are storing the password in the bridge database,
  not saving it on the IRC server.
diff: @@ -604,7 +604,7 @@ MatrixHandler.prototype._onAdminMessage = Promise.coroutine(function*(req, event
  else {
  yield this.ircBridge.getStore().storePass(userId, domain, pass);
  notice = new MatrixAction(
  - "notice", `Successfully stored password on ${domain}. ` + explanation
  + "notice", `Successfully stored password for ${domain}. ` + explanation
  );
  }
  }
  