Feat/coinbase integration (#4012)

* Oauth2 and first view

* Connect with Coinbase using mobile

* Buy and Sell through Coinbase

* Fix buy

* Receive and send bitcoin to Coinbase account

* Receive bitcoin from Coinbase to Copay

* Complete user and account information. Connection errors

* Improves error handler

* Removes console.log

* Coinbase background color. Send to Coinbase form validation

* Fix send from different wallet

* Send and receive using Coinbase

* Pagination activity

* Fix Buy and Sell

* One option in the sidebar to Buy and Sell

* Native balance on Coinbase homepage

* Rename receive and send

* Auto-close window after authenticate

* Reorder

* Get payment methods

* Fix when token expired

* Fix token expired

* Integration: sell and send to Coinbase

* Store pending transaction before sell

* Sell flow completed

* Removing files

* Fix sell

* Fix sell

* Fix sell

* Sell completed

* Buy bitcoin through coinbase

* Buy auto

* Currency set to USD

* Select payment methods. Limits

* Removes payment methods from preferences

* Fix signs. Tx ordered by updated. Minor fixes

* Removes console.log

* Improving ux-language things

* Fix selectedpaymentmethod if not verified

* Set error if tx not found

* Price sensitivity. Minor fixes

* Adds coinbase api key to gitignore

* Coinbase production ready

* Fix sell in usd

* Bug fixes

* New Sensitivity step

* Refresh token with a simple click

* Refresh token

* Refactor

* Fix auto reconnect if token expired

Signed-off-by: Gustavo Maximiliano Cortez <cmgustavo83@gmail.com>

* Fix calls if token expired

.gitignore

@@ -3,6 +3,10 @@ i18n/po/*.mo
 i18n/crowdin_api_key.txt
 src/js/translations.js
 
+# Coinbase API ClientID/Secret
+coinbase.json
+src/js/coinbase.js
+
 # version
 src/js/version.js