Add task manager app.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/common/apps.py

@@ -28,6 +28,7 @@ from .links import (
 from .literals import DELETE_STALE_UPLOADS_INTERVAL
 from .menus import menu_about, menu_main, menu_tools, menu_user
 from .licenses import *  # NOQA
+from .queues import *  # NOQA - Force queues registration
 from .settings import setting_auto_logging
 from .tasks import task_delete_stale_uploads  # NOQA - Force task registration