Allow any item to be added to cargo (allows to distribute "refits" with fit)

eos/saveddata/cargo.py

@@ -26,9 +26,6 @@ from sqlalchemy.orm import validates, reconstructor
 class Cargo(HandledItem, HandledCharge, ItemAttrShortcut, ChargeAttrShortcut):
 
     def __init__(self, item):
-        if item.category.name != "Charge":
-            raise ValueError("Passed item is not a charge")
-
         self.__item = item
         self.itemID = item.ID
         self.active = True

gui/builtinContextMenus/cargo.py

@@ -14,11 +14,7 @@ class Cargo(ContextMenu):
         # Make sure context menu registers in the correct view
         if srcContext not in ("marketItemGroup", "marketItemMisc") or self.mainFrame.getActiveFit() is None:
             return False
-
-        item = selection[0]
-        sFit = service.Fit.getInstance()
-
-        return sFit.isAmmo(item.ID)
+        return True
 
     def getText(self, itmContext, selection):
         return "Add {0} to Cargo".format(itmContext)