[Commands] Cleanup #peqzone Command. (#1794)

- Cleanup messages and logic.
- Add RULE_INT(Zone, PEQZoneHPRatio, 75, "Required HP Ratio to use #peqzone")
- Modify #peqzone Timer rule to allow it to be disabled.

zone/zone_store.cpp

@@ -80,6 +80,26 @@ const char *ZoneStore::GetZoneName(uint32 zone_id, bool error_unknown)
 	return nullptr;
 }
 
+/**
+ * @param zone_id
+ * @param error_unknown
+ * @return
+ */
+const char *ZoneStore::GetZoneLongName(uint32 zone_id, bool error_unknown)
+{
+	for (auto &z: zones) {
+		if (z.zoneidnumber == zone_id) {
+			return z.long_name.c_str();
+		}
+	}
+
+	if (error_unknown) {
+		return "UNKNOWN";
+	}
+
+	return nullptr;
+}
+
 /**
  * @param zone_id
  * @return