[7266] Use DBC data for auction cut/deposit percents and location (auiction house id in fact).

Note: `auctionhouse`.`location` field not used after this. But not removed to simplify backporting to mangos-0.12.

src/shared/Database/DBCStructure.h

@@ -511,6 +511,16 @@ struct AreaTriggerEntry
     float   box_orientation;                                // 9        m_box_yaw
 };
 
+struct AuctionHouseEntry
+{
+    uint32    houseId;                                      // 0 index
+    uint32    faction;                                      // 1 id of faction.dbc for player factions associated with city
+    uint32    depositPercent;                               // 2 1/3 from real
+    uint32    cutPercent;                                   // 3
+    //char*     name[16];                                   // 4-19
+                                                            // 20 string flag, unused
+};
+
 struct BankBagSlotPricesEntry
 {
     uint32  ID;