BETA: Moved part of 20110831update.sql to 20110831maintenance.sql because should be executed only one time (manually by server admins and only updating from a L2J Server before 2011/08/31) not in every update or it will screw the date in "createDate" column at character table.

BETA: Moved 20120428 SQL Update to maintenance, because should be executed only one time manually by server admins, not in every update or it will screw all GM Access Levels.

BETA: Updated some RaidBoss positions and deleted an old RaidBoss (Necrosentinel Royal Guard) that is not Spawned anymore in H5, also updated NpcId of Dr Chaos AI.

	* Removed SQL tables:
		* char_creation_items
		* class_list
		* henna
		* henna_trees
	* Added retail like XMLs:
		* classList.xml
		* hennaList.xml
		* initialEquipment.xml
		* initialEquipmentEvent.xml
	* Unhardcoded more player class names in datapack scripts.
	* Simplified bypasses.

	* Exploration of the Giants' Cave - Part 1 (376)
	* Exploration of the Giants' Cave - Part 2 (377)
	
'''Note 1:''' Quest name changed, require database update.
'''Note 2:''' Empty folder cleanup on next commits.

	* Secret Meeting With Ketra Orcs (11)
	* Secret Meeting With Varka Silenos (12)
	* Parcel Delivery (13)
	* Whereabouts of the Archaeologist (14)
	* Sweet Whispers (15)
	* The Coming Darkness (16)
	* Light and Darkness (17)
	* Meeting with the Golden Ram (18)
	* Added SQL update queries for quests that changed it's name.

Review, tests and fixes by me, thanks jurchiks for suggestions for improvements and typos.

	* Hellbound spawn fixes, thanks VlLight.
	* Proper fix for Items on Ground, for [8473] and #L5735, drop_time column is used to determinate if the drop is protected from auto destroy system using "-1" as value, therefore shouldn't be unsigned, thanks Xalis.

 * Added support for command //critannounce (with a config for add sender name before the announce).
 * Added support for critannounces.txt, show critical announces on char login (Can be managed via admin panel).
 * Added support for critical announces on auto_announces table (Can be managed via admin panel).

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