Added missing copyright notice.

General cleanup.

Added config reload and test.

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

	* Reworked skill and drop editing for npcs and the whole AdminEditNpc handler.
	* Improved html layout of those functions.
	* Added quick admin command to reload all handlers: !//reload handler
	* Fixing some small sql files typos.
	* Patch by: Nos

	* 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.

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

 * Ported Skill Trees from SQL to XML.
 * Moved AI from some class masters to core (Hardcoded), will be ported to datapack again all AIs at once.
 * Removed some custom stuff.
 * Fixed some skills related to this changes.
 * Preimplementation of Lucky skill (still hardcoded).
 * Added H5 Skill Tree.

'''NOTE: Require Core [L4662]'''

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