Rename tabs to panels in watcher panels

frontend/app/components/panels/controllers/watchers-panel.controller.js

@@ -28,9 +28,9 @@
 
 angular
   .module('openproject.workPackages.controllers')
-  .controller('WatchersTabController', WatchersTabController);
+  .controller('WatchersPanelController', WatchersPanelController);
 
-function WatchersTabController($scope, WatchersService) {
+function WatchersPanelController($scope, WatchersService) {
   var vm = this,
       fetchWatchers = function(loading) {
         vm.error = false;

frontend/app/components/panels/controllers/watchers-panel.controller.test.js

@@ -28,7 +28,7 @@
 
 /*jshint expr: true*/
 
-describe('WatchersTabController', function() {
+describe('WatchersPanelController', function() {
   'use strict';
 
   beforeEach(angular.mock.module('openproject.workPackages.controllers'));
@@ -61,7 +61,7 @@ describe('WatchersTabController', function() {
         };
 
     locals.$scope.workPackage = workPackage;
-    expect($controller('WatchersTabController', locals)).to.exist;
+    expect($controller('WatchersPanelController', locals)).to.exist;
   });
 
   it('should not work without a work workPackage', function() {
@@ -70,7 +70,7 @@ describe('WatchersTabController', function() {
     };
 
     expect(function() {
-      $controller('WatchersTabController', locals);
+      $controller('WatchersPanelController', locals);
     }).to.throw;
   });
 });

frontend/app/components/panels/directives/watchers-panel.directive.js

@@ -33,9 +33,9 @@ angular
 function watchersPanel()  {
   return {
     restrict: 'E',
-    templateUrl: '/components/panels/directives/watchers-tab.directive.html',
+    templateUrl: '/components/panels/directives/watchers-panel.directive.html',
 
-    controller: 'WatchersTabController',
+    controller: 'WatchersPanelController',
     controllerAs: 'watchers'
   }
 }

frontend/app/routing.js

@@ -140,7 +140,7 @@ angular.module('openproject')
     })
     .state('work-packages.show.watchers', {
       url: '/watchers',
-      templateUrl: '/components/routes/partials/tabs/watchers.html'
+      templateUrl: '/components/routes/partials/panels/watchers.html'
     })
 
     .state('work-packages.list', {
@@ -204,7 +204,7 @@ angular.module('openproject')
     })
     .state('work-packages.list.details.watchers', {
       url: '/watchers',
-      templateUrl: '/components/routes/partials/tabs/watchers.html'
+      templateUrl: '/components/routes/partials/panels/watchers.html'
     });
 }])