Adds scan tab. Fix grunt ios

src/js/directives/qrScanner.js

@@ -1,66 +1,7 @@
 'use strict';
 
 angular.module('copayApp.directives')
-  .directive('qrScanner', function($rootScope, $timeout, $ionicModal, gettextCatalog, platformInfo) {
-
-    var isCordova = platformInfo.isCordova;
-    var isWP = platformInfo.isWP;
-    var isIOS = platformInfo.isIOS;
-
-    var controller = function($scope) {
-
-      var onSuccess = function(result) {
-        $timeout(function() {
-          window.plugins.spinnerDialog.hide();
-        }, 100);
-        if (isWP && result.cancelled) return;
-
-        $timeout(function() {
-          var data = isIOS ? result : result.text;
-          $scope.onScan({
-            data: data
-          });
-        }, 1000);
-      };
-
-      var onError = function(error) {
-        $timeout(function() {
-          window.plugins.spinnerDialog.hide();
-        }, 100);
-      };
-
-      $scope.cordovaOpenScanner = function() {
-        window.plugins.spinnerDialog.show(null, gettextCatalog.getString('Preparing camera...'), true);
-        $timeout(function() {
-          if (isIOS) {
-            cloudSky.zBar.scan({}, onSuccess, onError);
-          } else {
-            cordova.plugins.barcodeScanner.scan(onSuccess, onError);
-          }
-          if ($scope.beforeScan) {
-            $scope.beforeScan();
-          }
-        }, 100);
-      };
-
-      $scope.modalOpenScanner = function() {
-        $ionicModal.fromTemplateUrl('views/modals/scanner.html', {
-          scope: $scope,
-          animation: 'slide-in-up'
-        }).then(function(modal) {
-          $scope.scannerModal = modal;
-          $scope.scannerModal.show();
-        });
-      };
-
-      $scope.openScanner = function() {
-        if (isCordova) {
-          $scope.cordovaOpenScanner();
-        } else {
-          $scope.modalOpenScanner();
-        }
-      };
-    };
+  .directive('qrScanner', function() {
 
     return {
       restrict: 'E',
@@ -68,7 +9,7 @@ angular.module('copayApp.directives')
         onScan: "&",
         beforeScan: "&"
       },
-      controller: controller,
+      controller: 'tabScanController',
       replace: true,
       template: '<a ng-click="openScanner()"><i class="icon ion-qr-scanner"></i></a>'
     }