[Commands] Cleanup #npcstats Command. (#1690)

- Cleanup menu and add stats that were not there before.
- Only display some data if necessary (i.e only show loot/money if they have loot/money)
- Add skill name helper method.
- Add faction name helper method.
- Add Charmed stats and other getter methods.
- Cleanup QueryLoot() method.

common/skills.h

@@ -171,6 +171,7 @@ namespace EQ
 
 		extern const std::map<SkillType, std::string>& GetSkillTypeMap();
 
+		std::string GetSkillName(SkillType skill);
 	} /*skills*/
 
 	struct SkillProfile { // prototype - not implemented