be able to add contacts with a chosen currency and display it properly in the send tab

src/js/controllers/addressbookAdd.js

@@ -1,13 +1,20 @@
 'use strict';
 
-angular.module('copayApp.controllers').controller('addressbookAddController', function($scope, $state, $stateParams, $timeout, $ionicHistory, gettextCatalog, addressbookService, popupService) {
+angular.module('copayApp.controllers').controller('addressbookAddController', function($scope, $state, $stateParams, $timeout, $ionicHistory, gettextCatalog, addressbookService, popupService, configService) {
+
+  var config = configService.getSync();
+  var defaults = configService.getDefaults();
+
+  $scope.bitcoinAlias = (config.bitcoinAlias || defaults.bitcoinAlias).toUpperCase();
+  $scope.bitcoinCashAlias = (config.bitcoinCashAlias || defaults.bitcoinCashAlias).toUpperCase();
 
   $scope.fromSendTab = $stateParams.fromSendTab;
 
   $scope.addressbookEntry = {
     'address': $stateParams.addressbookEntry || '',
     'name': '',
-    'email': ''
+    'email': '',
+    'coin': 'btc'
   };
 
   $scope.onQrCodeScannedAddressBook = function(data, addressbookForm) {

src/js/controllers/tab-send.js

@@ -87,15 +87,7 @@ angular.module('copayApp.controllers').controller('tabSendController', function(
       originalList = originalList.concat(walletList);
     }
   }
-
+  
-  var getCoin = function(address) {
-    var cashAddress = bitcoreCash.Address.isValid(address, 'livenet');
-    if (cashAddress) {
-      return 'bch';
-    }
-    return 'btc';
-  };
-
   var updateContactsList = function(cb) {
     var config = configService.getSync();
     var defaults = configService.getDefaults();
@@ -107,14 +99,13 @@ angular.module('copayApp.controllers').controller('tabSendController', function(
 
       var completeContacts = [];
       lodash.each(ab, function(v, k) {
-        var c = getCoin(k);
         completeContacts.push({
           name: lodash.isObject(v) ? v.name : v,
           address: k,
           email: lodash.isObject(v) ? v.email : null,
           recipientType: 'contact',
-          coin: c,
+          coin: v.coin,
-          displayCoin:  (c == 'bch'
+          displayCoin:  (v.coin == 'bch'
                         ? (config.bitcoinCashAlias || defaults.bitcoinCashAlias)
                         : (config.bitcoinAlias || defaults.bitcoinAlias)).toUpperCase(),
           getAddress: function(cb) {

www/views/addressbook.add.html

@@ -50,6 +50,15 @@
             <qr-scanner on-scan="onQrCodeScannedAddressBook(data, addressbookForm)"></qr-scanner>
           </div>
         </div>
+        <label class="item item-input item-select">
+          <div class="input-label" translate>
+            Coin
+          </div>
+          <select ng-model="addressbookEntry.coin">
+            <option value="btc">{{bitcoinAlias}}</option>
+            <option value="bch">{{bitcoinCashAlias}}</option>
+          </select>
+        </label>
       </div>
 
       <div class="padding">