BETA: Core-part for [DP10212].

git-svn-id: http://svn.l2jserver.com/branches/unstable/L2J_Server_BETA@6435 d34dfa0f-f91c-0410-86dd-cf06f19dd0ad
BETA: Fixing minor NPE in summons.
	* Reported by: CostyKiller

git-svn-id: http://svn.l2jserver.com/branches/unstable/L2J_Server_BETA@6436 d34dfa0f-f91c-0410-86dd-cf06f19dd0ad