Refactored celery tasks to be more performant and reduce the amount of time blocking between tasks.
Removed continue statements
Merge branch 'abyssinian-nightjar' of https://github.com/iPlantCollaborativeOpenSource/atmosphere into abyssinian-nightjar
Updated celery tasks to all launch on the periodic queue
Required although deprecated.. More information needed
Merge branch 'abyssinian-nightjar' of https://github.com/iPlantCollaborativeOpenSource/atmosphere into abyssinian-nightjar