BETA: Minor fixes and updates
	* L2PcInstance now contains method hasClanPrivileges()
		* NOTE: Use bitwise operator to check for multiple privileges
	* L2NpcWalkerNode now extends Location
		* Less object creation
	* Patch by: jurchiks
	* Reviewed by: Zoey76, UnAfraid, xban1x

git-svn-id: http://svn.l2jserver.com/branches/unstable/L2J_Server_BETA@6097 d34dfa0f-f91c-0410-86dd-cf06f19dd0ad