Changed the shoppable flag for intermediate items so that they can be added to the shopping list.

diff --git a/CauldronMainUI.lua b/CauldronMainUI.lua
index dc0984c..745721e 100644
--- a/CauldronMainUI.lua
+++ b/CauldronMainUI.lua
@@ -810,7 +810,7 @@ function Cauldron:UpdateQueue()
 			queueItemFrame:SetID(100 + i);
 			queueItemFrame.itemName = queueInfo.name;
 			queueItemFrame.removeable = false;
-			queueItemFrame.shoppable = false;
+			queueItemFrame.shoppable = true;
 			queueItemFrame.inHoverButtons = false;

 			-- don't show the remove button