Fix loading state when using an external collection and an `onReload` method that returns a promise.
Refactoring of Dashboard: moved notifications and tasks indicators to the main header bar.
Add buttons to execute Tasks directly in the dropdown in the main header menu.
Fix external collection watch.
Add Tasks and Notifications lists, accessible from the corresponding indicators in the main header menu.
Add Tasks and Notifications lists, accessible from the corresponding indicators in the main header menu.
Merge branch 'Admin' of https://github.com/fredericbonjour/Change into Admin

Conflicts:
	Plugins/Modules/Rbs/Admin/Assets/js/services/user-notifications.js
	Plugins/Modules/Rbs/Admin/Assets/js/services/user-tasks.js
	Plugins/Modules/Rbs/Admin/Assets/notifications/controllers.js
	Plugins/Modules/Rbs/Admin/Assets/notifications/list.twig
	Plugins/Modules/Rbs/Admin/Assets/tasks/controllers.js
	Plugins/Modules/Rbs/Admin/Assets/tasks/list.twig
Add Tasks and Notifications lists, accessible from the corresponding indicators in the main header menu.
Add Tasks and Notifications lists, accessible from the corresponding indicators in the main header menu.
Merge pull request #940 from fredericbonjour/Admin

Moved dashboard indicators (notifications and tasks) to the main header menu.