Adjust value for several item types as according to wiki

apps/openmw/mwclass/armor.cpp

@@ -169,7 +169,10 @@ namespace MWClass
         MWWorld::LiveCellRef<ESM::Armor> *ref =
             ptr.get<ESM::Armor>();
 
-        return ref->mBase->mData.mValue;
+        if (ptr.getCellRef().mCharge == -1)
+            return ref->mBase->mData.mValue;
+        else
+            return ref->mBase->mData.mValue * (ptr.getCellRef().mCharge / getItemMaxHealth(ptr));
     }
 
     void Armor::registerSelf()

apps/openmw/mwclass/lockpick.cpp

@@ -86,7 +86,10 @@ namespace MWClass
         MWWorld::LiveCellRef<ESM::Lockpick> *ref =
             ptr.get<ESM::Lockpick>();
 
-        return ref->mBase->mData.mValue;
+        if (ptr.getCellRef().mCharge == -1)
+            return ref->mBase->mData.mValue;
+        else
+            return ref->mBase->mData.mValue * (ptr.getCellRef().mCharge / getItemMaxHealth(ptr));
     }
 
     void Lockpick::registerSelf()

apps/openmw/mwclass/probe.cpp

@@ -85,7 +85,10 @@ namespace MWClass
         MWWorld::LiveCellRef<ESM::Probe> *ref =
             ptr.get<ESM::Probe>();
 
-        return ref->mBase->mData.mValue;
+        if (ptr.getCellRef().mCharge == -1)
+            return ref->mBase->mData.mValue;
+        else
+            return ref->mBase->mData.mValue * (ptr.getCellRef().mCharge / getItemMaxHealth(ptr));
     }
 
     void Probe::registerSelf()

apps/openmw/mwclass/repair.cpp

@@ -76,7 +76,10 @@ namespace MWClass
         MWWorld::LiveCellRef<ESM::Repair> *ref =
             ptr.get<ESM::Repair>();
 
-        return ref->mBase->mData.mValue;
+        if (ptr.getCellRef().mCharge == -1)
+            return ref->mBase->mData.mValue;
+        else
+            return ref->mBase->mData.mValue * (ptr.getCellRef().mCharge / getItemMaxHealth(ptr));
     }
 
     void Repair::registerSelf()

apps/openmw/mwclass/weapon.cpp

@@ -154,7 +154,10 @@ namespace MWClass
         MWWorld::LiveCellRef<ESM::Weapon> *ref =
             ptr.get<ESM::Weapon>();
 
-        return ref->mBase->mData.mValue;
+        if (ptr.getCellRef().mCharge == -1)
+            return ref->mBase->mData.mValue;
+        else
+            return ref->mBase->mData.mValue * (ptr.getCellRef().mCharge / getItemMaxHealth(ptr));
     }
 
     void Weapon::registerSelf()