BETA: Retail like implementation of `TriggerSkillByDamage` effect.

Reported by: lucan, CostyKiller, u3games, thorl2, Driad, oscard, pandragon, Maui, Konstantinos, kakaini
Reviewed by: UnAfraid, Zoey76

git-svn-id: http://svn.l2jdp.com/branches/unstable/L2J_DataPack_BETA@9976 5288da4f-0efc-0310-bd40-8d490a2659fa