BETA: Implementation of reuse delay for items and item skills for pets.

	* Independent reuse delay from masters (fix bug with shared reuse time).
	* Implemented for items.
	* Implemented for skills.
	* It doesn't show system messages (retail like) when pet has reuse time for items or skills.
	* Fixed bug with pets not getting herbs.
	* Removed custom system messages.
	* Unhardcoded some shop Ids.

Reported by: Tavo22, u3games, valdaron
Tested by: Zoey76, valdaron, MELERIX