Improvements (#6)

* Add external dependencies to manifest to avoid error on module activation; add requirements.txt.
* Readme 
* Fix errors, restructure settings form, update installation steps, streamline overall.
* Change version

payment_btcpay/models/payment_provider.py

@@ -13,14 +13,14 @@ class PaymentProvider(models.Model):
     code = fields.Selection(
         selection_add=[('btcpay', "BTCPay")], ondelete={'btcpay': 'set default'})
 
-    btcpay_location = fields.Char(string='Location', size=64, default='https://testnet.demo.btcpayserver.org')
-    btcpay_confirmationURL = fields.Char(string='Confirmation URL', help='Confirmation URL to return after Btcpay payment', default='http://yourdomain/shop/confirmation')
-
-    btcpay_token = fields.Char(string='Token', help='Access Token to BTCPay')
-    btcpay_privateKey = fields.Text(string='Private Key', help='Private Key for BTCPay Client')
-    btcpay_facade = fields.Char(string='Facade', help='Token facade type: merchant/pos/payroll', default='merchant')  #merchant
+    btcpay_location = fields.Char(string='BTCPay Server URL', size=64, help='URL where your BTCPay Server instance is reachable (where you log into your BTCPay Server).', default='https://testnet.demo.btcpayserver.org')
+    btcpay_confirmationURL = fields.Char(string='Confirmation URL', help='Confirmation URL to return after BTCPay payment', default='http://yourdomain/shop/confirmation')
     btcpay_pairingCode = fields.Char(string='Pairing Code', help='Create paring Code in your BTCPay server and put here')
 
+    btcpay_token = fields.Char(string='Token', help='Access Token to BTCPay. Leave empty, will be autogenerated during pairing.')
+    btcpay_privateKey = fields.Text(string='Private Key', help='Private Key for BTCPay Client. Leave empty, will be autogenerated during pairing.')
+    btcpay_facade = fields.Char(string='Facade', help='Token facade type: merchant/pos/payroll. Keep merchant', default='merchant')
+
     def create(self, values_list):
         if self.code == 'btcpay':
             values_list['btcpay_privateKey'] = crypto.generate_privakey()

payment_btcpay/models/payment_transaction.py

@@ -105,7 +105,7 @@ class PaymentTransaction(models.Model):
         if self.provider_code != 'btcpay':
             return
 
-        #_logger.info("_process_notification_data %s", pprint.pformat(notification_data))
+        _logger.info("_process_notification_data %s", pprint.pformat(notification_data))
         txn_id = notification_data.get('reference')
         if not all(txn_id):
             raise ValidationError(