Add ArmorSetBonus() script condition with SimC set_bonus semantics.

diff --git a/conditions/ArmorSetBonus.lua b/conditions/ArmorSetBonus.lua
new file mode 100644
index 0000000..eeb7f53
--- /dev/null
+++ b/conditions/ArmorSetBonus.lua
@@ -0,0 +1,34 @@
+--[[--------------------------------------------------------------------
+    Ovale Spell Priority
+    Copyright (C) 2014 Johnny C. Lam
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License in the LICENSE
+    file accompanying this program.
+--]]--------------------------------------------------------------------
+
+local _, Ovale = ...
+
+do
+	local OvaleCondition = Ovale.OvaleCondition
+	local OvaleEquipement = Ovale.OvaleEquipement
+
+	--- Check whether the player currently has an armor set bonus.
+	-- @name ArmorSetBonus
+	-- @paramsig number
+	-- @param name The name of the armor set.
+	--     Valid names: T11, T12, T13, T14, T15, T16
+	--     Valid names for hybrid classes: append _caster, _heal, _melee, _tank.
+	-- @param count The number of pieces needed to activate the armor set bonus.
+	-- @return 1 if the set bonus is active, or 0 otherwise.
+	-- @usage
+	-- if ArmorSetBonus(T16_melee 2) == 1 Spell(unleash_elements)
+
+	local function ArmorSetBonus(condition)
+		local armorSet, count = condition[1], condition[2]
+		local value = (OvaleEquipement:GetArmorSetCount(armorSet) >= count) and 1 or 0
+		return 0, math.huge, value, 0, 0
+	end
+
+	OvaleCondition:RegisterCondition("armorsetbonus", false, ArmorSetBonus)
+end
diff --git a/conditions/files.xml b/conditions/files.xml
index 5e0d8bb..d73e298 100644
--- a/conditions/files.xml
+++ b/conditions/files.xml
@@ -1,5 +1,6 @@
 <Ui xmlns="http://www.blizzard.com/wow/ui/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.blizzard.com/wow/ui/ ..\FrameXML\UI.xsd">
 	<Script file="AfterWhiteHit.lua" />
+	<Script file="ArmorSetBonus.lua" />
 	<Script file="ArmorSetParts.lua" />
 	<Script file="BuffAmount.lua" />
 	<Script file="BuffComboPoints.lua" />