BETA: Rewriting Priest of Blessing AI to match current code standards.

	* Removed "retail" folder, all scripts are supposed to be retail except those in custom folder.
	* Moved to ai/npc folder.
	* Removed !QuestState and State, events don't need them.
	* Now extends AbstractNpcAI.
	* Unhardcoded Adena Id.
	* Added package-info for teleports and custom packages, removed documentation file.
	* Replaced array of int with Location DTO for spawns data.