Reported by: viracocha_ARG, Vampire, AbejitaAfricana

Fixed minor typos.

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

- Update Village Master jython script to create a QuestState in onTalk following L2J/L2J_Server@ac426d90c3f02bb4f1916f1d23314c365c306907
- Updating all use L2PcInstance#getQuestState to use the helper from Quest when possible

Reviewed by: @NosBit, @UnAfraid, LoneRanger

	* Fixed some messy code.

Reviewed by: Zoey76, !UnAfraid

	* Removed lot of casting.

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

	* Patch by: jurchiks
	* Reviewed by: UnAfraid, Zoey76

	Patch by: jurchiks, xban1x
	Reviewed by: Adry_85

	* Using int parameter for cond instead of String.
	* Member sorting for quests and other scripts.
		* Types
		* Static fields
		* Static initializers
		* Fields
		* Initializers
		* Constructors
		* Methods
		* Static methods
	* Moved many non-static method to static.
	* Set many quest constructors as private.
	* Minor code changes.

	* 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.

	* Replaced assignment of questItemIds with registerQuestItems in all Java quests.
	* Replaced L2Skill with SkillHolder.
	* Updated Instances to use new InstaceWorld class.
	* Renamed some lower/mixed case static final variables with upper case names.
	* Updated some quests with new methods for conditions, etc.
	* Replacing playSound(String) with playSound(QuestSound)
	* Fixed some minor typos.

'''Note:''' Quest contributors please review this changeset and adjust your contributions to match this changes.

	* Based on forums changelogs, DevSVN, commit messages.
	* Added author to all Java quests.
	* Fixed all Java quest headers !JavaDocs, try to keep it this way.

'''Note:''' I'ld like to remember contributors and committers that scripts '''must''' include author.

	* Other warnings will be fixed later.

	Thanks Battlecruiser for first implementation.

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

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

	* Using same Code warning/error configuration than core.
	* Fixed respective warnings and errors.
	* Fixing Extractable Skills restriction properly.
		1. Unhardcode Skills Ids.
		1. Now only Item Skills are restricted.
		1. Items with consume count won't be consumed without giving the reward.
		1. Applied to reuse time greater than 5 seconds, there is no point on restrict item skills with less reuse time.
		1. Unhardcoded system message for item reward.
	* Hellbound fixes:
		1. Hellbound should start closed at server start (level 0), thanks Trev.
		1. Quarry ClassCastException fix.
	* Q290_ThreatRemoval removed unnecessary int cast.
	* Q636_TruthBeyond proper method to get an int.
	* Skill Santa Claus' Gift - Luck(22018) typo fix.

	* Removed "Loaded quest ...", with 600 quest this will be more likely spam.
	* Changed getQuestItemsCount(itemId) == 0 and getQuestItemsCount(itemId) < 1 for !st.hasQuestItems(itemId).
	* Changed getQuestItemsCount(itemId) > 0 and getQuestItemsCount(itemId) >= 1 for st.hasQuestItems(itemId).
	* Changed st.getState() != State.COMPLETED and st.getState() == State.COMPLETED for !qs.isCompleted() and qs.isCompleted() respectively.
	* Added some JavaDocs to event mods and minor code improvement.
	* Changed switch statements with one case for if statement.
	* Changed takeItems(itemId, st.getQuestItemsCount(itemId)) for takeItems(itemId, -1) where it was possible.
	* Changed for(int npcId : NPCIDS) addKillId(npcId); for addKillId(NPCIDS); can be done in more places.
	* Unhardcoded class Id in Q401_PathToWarrior.

BETA/STABLE: '''Exploit Fix''' for 3rd class transfer party get quest items when in town, thanks Phantom2005.

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HTM/JAVA: Fix for Q73 Saga of the Duelist (updated to Freya) by JIV, also thanks to Qwerty13 for code format and UnAfraid for a minor fix.

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