* [Commands] Cleanup #reloadzps Command.
- Cleanup messages and logic.
- Make reloading of zone points global instead of zone specific.
* Further cleanup.
- Add zone->GetZoneDescription().
- Add mob->GetTargetDescription(mob).
* Final cleanup.
* Typo.
* [Commands] Add #setaltcurrency Command.
- Add #setaltcurrency [Currency ID] [Amount] command to allow you to set a specific alternate currency to a value.
- Add Zone::GetCurrencyID() and Zone::GetCurrencyItemID() helper methods.
- Cleanup loops through zone->AlternateCurrencies.
- Utilize helper methods where necessary.
- Convert old methods parameters and return values from int to uint32 where necessary.
* Typo.
