Revert "keep bluescreen at 3.10 to see if this fixes the panic"

This reverts commit d28e3e2918aabae8a36c69a42240d9bd34a8c643.
make the btrfs patches bluebook-only for now
Revert "bluescreen: disable nvidia to find out if there's an issue with it"

This reverts commit ea17d348f81f708e6a783ce7bbdb6791b7aa3d7e.
use zsh for cronjob initialization