BETA: Item trigger skills should work with self skills too.

Reported by: l2gang, thorl2, Gries
Reviewed by: !UnAfraid

git-svn-id: http://svn.l2jserver.com/branches/unstable/L2J_Server_BETA@6310 d34dfa0f-f91c-0410-86dd-cf06f19dd0ad