BETA: Cleanup isUsingDualWeapon from L2Character is unused.
	* Implemented a way to create custom transformations using displayId just like items/skills.

git-svn-id: http://svn.l2jserver.com/branches/unstable/L2J_Server_BETA@6131 d34dfa0f-f91c-0410-86dd-cf06f19dd0ad
BETA: Implementing isInCategory method to L2Character and it's childs.
	* And minor cleanup.

git-svn-id: http://svn.l2jserver.com/branches/unstable/L2J_Server_BETA@6132 d34dfa0f-f91c-0410-86dd-cf06f19dd0ad
BETA: Moving killByDOT skill parameters  to effect parameters.

git-svn-id: http://svn.l2jserver.com/branches/unstable/L2J_Server_BETA@6133 d34dfa0f-f91c-0410-86dd-cf06f19dd0ad