Updated to reflect changes in Solr logging.
added admin model to display when the ExternalToolStatus was last updated
- Removed synchronous subtasks

- Created a celery external tool again so we don't have to ping it on the fly

- Updated middleware accordingly

- Tools now expire after x-1 seconds where x is how often the task is run
Merge remote-tracking branch 'origin/develop' into w2
show the real workflow no fake ones