Added event_catcher.py with some notes on design and amqp_helpers.py, which contains some helper functions for AMQP-related procedures

 - Redefined the tables based on what we know currently
 - Brought over interfaces from wksp0
 - Fleshed out object model some
 - Replaced request object of SQL Alchemy session with WorkflowInfo instance

Added __str__ and __repr__ methods to WorkflowMonitor; small updates to same methods in WorkflowEvent

Merge branch 'main' of https://open-bitbucket.nrao.edu/scm/ssa/data into SSA-6323-workflow-status-monitoring

* commit 'cd7af338':
  Removed pesky __init__.py.
  Removed commented out import statements.
  Removed some out-of-place __init__.pys
  Added test for parse_setup.py; added some logging and error checking to transfer_to_builder.py
  Re-added __init__.py files that I previously deleted. Turns out we need 'em!
  Changed import statements to break local testing but fix automatic conda build testing. I'm not sure how to resolve the different import needs.
  Added message that warns the user that building all available packages will take a LONG time
  Finished testing for all recipes. Added buildout recipe to automatically run tests on other buildout recipes (and itself)
  Added test all option to Makefile
  gitignore updates
  Finished setup_to_meta tests.
  Added some commentary.
  More work on tests for setup_to_meta.
  Added logging to setup_to_meta and build_pkgs.
  Added new buildout recipe for testing buildout recipes.
  Started testing on buildout recipes.