* Revert this 487f84e, please import upgrade_20131231.sql. Thank  Lemongrass3110 and Toshiro90
* Follow up 7a9aa7f, enum errors
* Follow up 12007fe, function return type error
* Follow up dae8122, 'skill' to 'skill_learnlv'?

Signed-off-by: Cydh Ramdh <house.bad@gmail.com>