BETA: XML spawnlist related:
	* Support for optional static parameters and overriding some template parameters (random animation, random walk and aggro range at this moment) for certain NPC instances via XML spawnlist.
	* Support for enable/disable certain spawnlist in XML
Scripts related:
	* Support for NPC variables (allows to store multiple dynamic  values for NPC (useful for scripts)).

Reviewed by: !UnAfraid, xban1x

git-svn-id: http://svn.l2jserver.com/branches/unstable/L2J_Server_BETA@6281 d34dfa0f-f91c-0410-86dd-cf06f19dd0ad