Added missing copyright notice.

General cleanup.

Added AI Loader class.
Removed most main methods from scripts.
Added Treasure AI that was missing in loading.

Private methods don't need to be final.
Enums don't need to be static.
Public methods in final classes don't need to be final.
Added Eclipse formatter.

Organizing all imports.

Moved to Maven instead of Gradle.
Using proper project structure and package structure.

Moved to Maven instead of Gradle.
Using proper project structure and package structure.

Fixed minor typos.

Moving all files to main folder.
Using Gradle to define, manage dependecies and build the project.
Upgraded Gradle wrapper.

Reviewed by: Zoey76, !UnAfraid

	* Patch by: jurchiks
	* Reviewed by: xban1x

	* Removed lot of casting.

'''Note:''' If you get errors on your custom scripts after synchronizing, just check and change methods from getXXXId() to getId().

	* Proper GPLv3 license.
	* Updated all Java DP files.
	* Added missing license to the following files:
		* !FirstClassTransferTalk
		* !AdminInstanceZone
	* Updated Eclipse preferences for new files (header).
		* ''Same'' settings as Core.

	* All scripts extending AbstractNpcAI instead of L2AttackableAIScript.
	* All static variables to upper-case.
	* All constructors moved just after variables and private instead of public.
	* Initiating script with new Script(Script.class.getSimpleName(), "ai") instead of new Script("Script", "ai")
	* Removed useless checks example addKillId(123) onKill() if (npc.getNpcId() == 123).
	* Moved registerMobs method into AbstractNpcAI.
	* L2AttackableAIScript is now final please do not extend it anymore.
	* Cleanup

	* Other warnings will be fixed later.

	* Cleanup of random related methods and imports.
	* Fix for FairyTrees AI with wrong parameter type wouldn't override onKill(..) method.

	* Implemented Quests:
		1. Matras' Curiosity(132)
		1. Target of Opportunity(279)
		1. Jude's Request(690)
		1. Matras' Suspicious Request(691)
	* Implemented Teleports:
		1. Steel Citadel
		1. Warpgate
	* Implemented AIs:
		1. Chimeras
		1. RandomSpawn
		1. Remnants
		1. Sandstorms
		1. Slaves
		1. Amaskari
		1. Beleth
		1. DemonPrince
		1. Epidos
		1. HellboundCore
		1. Keltas
		1. NaiaLock
		1. OutpostCaptain
		1. Ranku
		1. SinWardens
		1. Typhoon
		1. AnomicFoundry
		1. BaseTower
		1. Bernarde
		1. Buron
		1. Deltuva
		1. Falk
		1. Hude
		1. Jude
		1. Kanaf
		1. Kief
		1. Natives
		1. Quarry
		1. Shadai
		1. Solomon
		1. TowerOfInfinitum
		1. TowerOfNaia
		1. TullyWorkshop
	* Implemented Instances:
		1. DemonPrinceFloor
		1. HellboundTown
		1. RankuFloor
	* Implemented Admin Commands:
		1. //hellbound_setlevel
		1. //hellbound
	* Implemented Voiced Commands:
		1. .hellbound
'''Note:''' This game feature was developed by many users:

Special Thanks:

'''theone''' first Jython implementation.

'''_DS_''' first Java implementation.

'''VlLight''' as '''GKR''' AI, Quests, Engine and more.

'''Treat''' Beleth Grand Boss AI.

Thanks:
Gladicek
malyelfik
plim
u3games
Ectis
MELERIX
badboy29
dastak
Asker64
RiZe
pmq
UnAfraid
Schleuse

Testers:
Dumpster
DareStrike
sam.jr
kostantinos
goncafa
jamaica
pandragon
pinkcore
bomberoloco24
blacksea
swg
IMBAL
mystirio
hackstyle

Code review, cleanup, code refactoring, typo fixing by me.