Revert "Revert "Settings: SlimPie (2/2)""

This reverts commit c0f1dc10d94ae382872698eec24314ecbf3ee885.
Revert "Revert "Update SlimPIE""

This reverts commit f608b6d4c087509c2ff33da08c5f045119ea0195.
Revert "Revert "Fix PIE (again :p)""

This reverts commit 600de1744c021cca2c2956d99bc3de44706b92cf.