Follow up to 89ef868 to fix compile issues.
Bug Fixes
* Cleaned up Weapon Research and Cart Revolution bonuses.
* Added missing Hit bonus for Training Axe.
* Removed an extra check for Research Fire Earth.
* Updated Dragonology race bonuses rate for renewal.
* Fixed Knuckle Arrow sliding effect.
* Bows should not get a refine bonus.
Merge branch 'rathena/master'