Update version for 2.16.1 GA

2.16.1 release notes

Update version for 2.16.0 ga

Update version for 2.16.0 rc

Updating version to 2.15.3

Update version for 2.16.0 beta 1

Release notes for 2.15.3

Update verision to 2.15.2

Fix incorrect queue name suffix with Celery 4

The queue suffix is dependent on celery version. Celery 4 uses ".dq2"
so we need to handle that case when we recreate the queue name as
part of the detail view.

(cherry picked from commit da663ad)

Update version to 2.15.1