separate merchant UI from main project

electrum

@@ -92,7 +92,7 @@ from electrum import SimpleConfig, Network
 from electrum.wallet import Wallet, Imported_Wallet
 from electrum.storage import WalletStorage
 from electrum.util import print_msg, print_stderr, json_encode, json_decode
-from electrum.util import set_verbosity, InvalidPassword, check_www_dir
+from electrum.util import set_verbosity, InvalidPassword
 from electrum.commands import get_parser, known_commands, Commands, config_variables
 from electrum import daemon
 from electrum import keystore
@@ -399,7 +399,11 @@ if __name__ == '__main__':
                     from electrum import websockets
                     websockets.WebSocketServer(config, d.network).start()
                 if config.get('requests_dir'):
-                    check_www_dir(config.get('requests_dir'))
+                    path = os.path.join(config.get('requests_dir'), 'index.html')
+                    if not os.path.exists(path):
+                        print("Requests directory not configured.")
+                        print("You can configure it using https://github.com/spesmilo/electrum-merchant")
+                        sys.exit(1)
                 d.join()
                 sys.exit(0)
             else: