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

public/views/coinbaseUri.html

@@ -0,0 +1,35 @@
+<div 
+  class="topbar-container" 
+  ng-include="'views/includes/topbar.html'"
+  ng-init="titleSection='Coinbase'; closeToHome = true">
+</div>
+
+<div class="content coinbase" ng-controller="coinbaseUriController as coinbase" ng-init="coinbase.checkCode()">
+
+  <div class="onGoingProcess" ng-show="coinbase.loading">
+    <div class="onGoingProcess-content" ng-style="{'background-color':index.backgroundColor}">
+    <div class="spinner">
+      <div class="rect1"></div>
+      <div class="rect2"></div>
+      <div class="rect3"></div>
+      <div class="rect4"></div>
+      <div class="rect5"></div>
+    </div>
+    <span ng-show="coinbase.loading">Connecting to Coinbase...</span>
+    </div>
+  </div>
+
+  <div class="row m20t">
+    <div class="large-12 columns">
+      <div class="text-center">
+        <img src="img/coinbase-logo.png" 
+        ng-click="index.updateCoinbase()" width="100">
+      </div>
+      
+      <div class="m10t text-center" ng-show="coinbase.error">
+        <div class="notification m10b size-12 text-warning">{{coinbase.error}}</div>
+        <button class="outline dark-gray tiny round" ng-click="coinbase.submitOauthCode(coinbase.code)">Try again</button>
+      </div>
+    </div>
+  </div>
+</div>