[8243] to STABLE
BETA/STABLE: Misc folder for shared files.
STABLE: Moving data folder.
BETA/STABLE: Updating Builders due new location of data folder.
STABLE: Skill Trees rework (datapack part):
	* New skill trees on XMLs.
	* SQL cleanup.
	* Organized some HTML files.
	* Code refactoring and cleanup.
STABLE: Minor cleanup.
BETA/STABLE: Final Form Skills update.
STABLE: Fix for #4935.
Creating branch of L2J DataPack CT2.5