* Add missing day of week in  default list.

* Edit day of week docs

* Filter out BuildConfigs based on day-of-week specification.

* Support human-friendly day names

* Perform day-of-week filtering on BuildConfigs only.

* Update docs

Provide default credentials property in JobConfig class

Convert credential env var value to java string

Remove display of env var values.

* Add support for publishing conda environment specs to artifactory.

* Add docs for env publication feature

* Minor adjustments to allow folder-level library loading in Jenkins
* Switched to default master node label
* Added first pass at a functionality-testing Jenkinsfile and pytest suite.
* Removed redundant `@Grab` of `github-api` library.

* Functionize test report processing.
* New local config_name var.
* Functionize artifactory stage
* Functionize build_and_test
* Functionize conda package handling
* index -> config_idx in function
* Functionize env vars expansion
* Relocate runtime to BuildConfig class for easier passing.
* Functionize string abort
* Split out Post-build stage
* Naming, docs, change var used for task map key.
* Split out sequential tasks
* Cleanup; bring docs up to speed.
* Class property clarification.

Failure threshold sets status to unstable rather than failed.

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