NPC 5 minute upgrades

src/engine/objects/NPC.java

@@ -1325,8 +1325,8 @@ public class NPC extends AbstractCharacter {
                 if (!building.transferGold(-rankCost, false))
                     return;
 
-                dateToUpgrade = DateTime.now().plusHours(this.getUpgradeTime());
-
+                //dateToUpgrade = DateTime.now().plusHours(this.getUpgradeTime());
+                dateToUpgrade = DateTime.now().plusMinutes(5);
                 this.setUpgradeDateTime(dateToUpgrade);
 
                 // Schedule upgrade job