Add test script to fetch zKb kills from the regular endpoint.
Use simpler fatal error page.
Remove zKillboard-dependent features, as the API is broken.
Revert "Remove zKillboard-dependent features, as the API is broken."

This reverts commit 5b3d65e4fb2be80ac6a463f6dad1c072e872efd3.
Fix: use the normal zKb API endpoint and use startTime instead of page.