Update Constants.lua with cata flags.

diff --git a/Constants.lua b/Constants.lua
index c712469..213af95 100644
--- a/Constants.lua
+++ b/Constants.lua
@@ -42,6 +42,7 @@ private.professions = {
 	["Runeforging"]		= private.runeforging_name,
 	["Smelting"]		= GetSpellInfo(2656),
 	["Tailoring"]		= GetSpellInfo(51309),
+	["Archaeology"]		= GetSpellInfo(89727),
 }

 private.ordered_professions = {
@@ -57,6 +58,7 @@ private.ordered_professions = {
 	private.professions.Runeforging,	-- 10
 	private.professions.Smelting,		-- 11
 	private.professions.Tailoring,		-- 12
+	private.professions.Archaeology		-- 13
 }

 private.profession_textures = {
@@ -102,12 +104,14 @@ private.game_versions = {
 	["ORIG"]	= 1,
 	["TBC"]		= 2,
 	["WOTLK"]	= 3,
+	["CATA"]	= 4,
 }

 private.game_version_names = {
 	[1] = "ORIG",
 	[2] = "TBC",
 	[3] = "WOTLK",
+	[4] = "CATA",
 }

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