`CapabilityService.create_request` instead of duplicating that logic
within the view; changed tests and mocks to go along with the changes

fix CapabilityEngine to actually load the capability execution it's executing and then properly release the engine after completion

Added two new Pyramid views, the first of the capability request views: `view_capability_request` and `create_capability_request`

added views directory that will hold logic for views

launches the download capability; moved the capability launching
functionality from the on-click methods to a new method that gets called
by the on click methods

Daniel Lyons authored 4 years ago and Daniel Lyons committed 4 years ago

Separate architecture from readme in delivery

AKA please don't give me heart failure again

* This feature branch replaces the one in !53, which broke the build.

All enabled tests are now true unit tests with no external dependencies; new `requirements.txt` file in `test/` that installs testing requirements (`pytest`, `pytest-mock`, etc.); and `run-tests.sh` now has an extra step that installs these

All enabled tests now pass. TODO: Refactor integration tests into unit tests; add more test coverage

persisted; added method to WorkflowInfo: lookup_workflow_templates_for()

    buildout.cfg
    deploy.sh
    deps.png
    environment.yml
    build/
    deployment/
    internal-dev-tools/
    support/

system since I figure that's on its way out the door)

This reverts commit 4ca7d034.