* Update Homepage
* Add Changelog
* Convert to pytestCheckHook
* Remove buildInputs, corrected to propagatedBuildInputs or checkInputs as appropriate.
This caused downstream failures because some required packages were not in the runtime closure (PYTHONPATH).
Uses the HTTPS url for cases where the existing URL has a permanent
redirect. For each domain, at least one fixed derivation URL was
downloaded to test the domain is properly serving downloads.
Also fixes jbake source URL, which was broken.
