Equipment slot refactor started.

src/engine/gameManager/PowersManager.java

@@ -440,7 +440,7 @@ public enum PowersManager {
 
             for (PowerPrereq pp : pb.getEquipPrereqs()) {
 
-                int slot = pp.mainHand() ? MBServerStatics.SLOT_MAINHAND : MBServerStatics.SLOT_OFFHAND;
+                EquipSlotType slot = pp.mainHand() ? EquipSlotType.RHELD : EquipSlotType.LHELD;
 
                 if (playerCharacter.validEquip(slot, pp.getMessage())) {
                     passed = true; //should have item in slot