BETA: Removing Implementation-Version meta-data since it mostly corrupts the manifest when missing svn client installed or external svn client is different version then eclipse's svn client.

git-svn-id: http://svn.l2jserver.com/branches/unstable/L2J_Server_BETA@6355 d34dfa0f-f91c-0410-86dd-cf06f19dd0ad
BETA: Adding missing synchronized block to setInsideZone to ensure correct usage between different threads.
	* Also fixing non properly used double checked locking approach for AI.
		* Reported by: hNoke

git-svn-id: http://svn.l2jserver.com/branches/unstable/L2J_Server_BETA@6356 d34dfa0f-f91c-0410-86dd-cf06f19dd0ad
BETA: Removing local copy of AI within getAI() method

git-svn-id: http://svn.l2jserver.com/branches/unstable/L2J_Server_BETA@6357 d34dfa0f-f91c-0410-86dd-cf06f19dd0ad