BETA: Improvements for "database_installer.sh" (thanks nonom for testing), also some updates for "database_installer.bat".

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.

Also Added new command script_unload //id / script name

	* Moved servername.xml and servername.xsd to login/data.
		* Is not used by game server, server name is sent by login server.
	* misc folder will be removed in next commit.
	* Updated build.xml.

	* Rumble in the Base (461)
	* I Must Be a Genius (463)
	* Olympiad Starter (551)
	* Olympiad Veteran (552)
	* Olympiad Undefeated (553)

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.

	* Armor Sets: Wrong skill Id. (The Note was fine, but the Id was wrong).
	* Skill Trees: Wrong level. (Confirmed at PowerWiki).

Note: Keep in mind when you set some variable to quest state it get's wiped out on quest complete so you must set it after exitQuest()

BETA: Multisells update removing extra tags if applyTaxes="true" is defined isTaxIngredient="true" is not required since it applies for all the multisells inside that list.

BETA: Removing backward compatibility for L2Party/L2CommandChannel if you want it skip that changeset thanks Battlecruiser