[wcloud]: DBDEPLOY now creates the central DB. The WebApp now creates the tables for that Schema on its own when it is run. Minor fixes.
[wcloud]: Celery worker base working, celery worker for Redis functional, added celery redis tests
[wcloud]: Celery DB tests
[wcloud]: Fixed celery-related bugs. Added celery_wcloud tests.
[wcloud]: Minor remaining fix
[wcloud]: The taskmanager now relies on celery tasks (as a preliminary step towards removing the taskmanager altogether)
[wcloud]: Taskmanager now uses real delayed celery tasks. (Not fully tested)