Made the skill learner actually record the reagent index, so that reagent tooltips would work properly.

diff --git a/CauldronTradeskill.lua b/CauldronTradeskill.lua
index 8e4bf28..9fcc89d 100644
--- a/CauldronTradeskill.lua
+++ b/CauldronTradeskill.lua
@@ -145,6 +145,7 @@ function Cauldron:UpdateSkills()
 					end

 					local r = {
+						["index"] = j,
 						["name"] = rName,
 						["numRequired"] = rCount,
 						["skillIndex"] = i,