Renamed incuvate of Pet System

Follow-up 62e03d0, Added upgrade-files

Follow-up c04fe2932

Follow-up to b6b3f58795288701d0e162d43fa6f0a47af913b3

- Includes in some files weren't sorted alphabetically. Special thanks
  to KeiKun.

Signed-off-by: Haru <haru@dotalux.com>

Renamed incuvate of Pet System
Merge branch 'fix_pet_table' of github.com:MrKeiKun/Hercules into fix_pet_table