Added missing copyright notice.

General cleanup.

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: !UnAfraid, Zoey76

* Fixed exploit in '''!CastleChamberlain'''.
 * Reported by: malyelfik
 * Reviewed by: Adry_85, !UnAfraid
 
* Match list shouldn't show when olympiad don't run.
 * Reviewed by: Adry_85, !UnAfraid
 
* Fixed {{{ClassCastException}}} in '''!PrimevalIsle''' AI.
 * Reported by: d!g0
 * Reviewed by: xban1x, Adry_85, !UnAfraid
 
* Fixed little typo in HTML.
 * Reviewed by: Adry_85, !UnAfraid

Reviewed by: Zoey76, !UnAfraid

	* Patch by: St3eT

	* Comment fixes will be done later.
	* This is done so new patches won't be so large due new Eclipse settings on save.

	* 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.

	* 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.

- Merged HP/CP Recovery in ArenaBuffs handler
- Arena buffs fix by MELERIX
- Proper bypass handlers exception logging

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Codename - Unwanted UpdateLeaks
Changelog will be on forum (as soon as someone made it)

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