Revert "Remove the dead corkscrew header files too."

This reverts commit ddbdae8c3f24a6e5afb3b45bf73cdad3dae9abaa.
Revert "Remove libcorkscrew."

This reverts commit 688a8a7232ff1f1be1ab077072deadb6f4c71eef.
Revert "Add a comment to not delete seemingly unused code."

This reverts commit e5ab3e3a4c23077ede0515320c5585a99b236671.

Signed-off-by: artas182x <artas182x@gmail.com>
Revert "Put back some deleted code."

This reverts commit eec232603d314e486888e5a0d2dd8d507c266be7.

Signed-off-by: artas182x <artas182x@gmail.com>
Revert "Cleanup: Delete dead code."

This reverts commit a723689eca75c71fd5260d918c18054a64e8d701.

Signed-off-by: artas182x <artas182x@gmail.com>