added schema revisions for workflow template scripts to fail when expections are throw from productfetcher

ready for QA

option from the test_download workflow

- Local cluster can now run download workflows
- wf_monitor's timeout functionality now works the way we expect it to

- aat_wrest: utility for pulling metadata for calibration templates
- wf_framework: contains script for setting up CASA processing directory structure

WS-195, WS-76: Notification System now working and sending emails on request submission and completion

Daniel Lyons authored 3 years ago and Nathan Hertz committed 3 years ago

Added the ability to compare capability executions by their creation timestamp; made it so encountering exceptions when receiving messages does not block the system

Charlotte Hausman authored 4 years ago and Nathan Hertz committed 4 years ago

Messaging system is now running on a more robust foundation:
- `kombu` package for AMQP networking
- New Messenger and Router objects
- New message format
- Easy-to-use callback subscribing
- Can now get messages anywhere in the system easily and send replies back easily