btcpay working! added bitpay client code to source tree to fix a bug

fixed a stripe race condition

added account balance warning to account balance page

capsulflask/__init__.py

@@ -2,13 +2,13 @@
 import os
 
 import stripe
-from bitpay import client as btcpay
 from dotenv import load_dotenv, find_dotenv
 from flask import Flask
 from flask_mail import Mail
 from flask import render_template
 
 from capsulflask import virt_model, cli
+from capsulflask.btcpay import client as btcpay
 
 load_dotenv(find_dotenv())