Update copyrights of files touched in 2013.

diff --git a/OvaleBestAction.lua b/OvaleBestAction.lua
index c2d9aa2..d7a4cbd 100644
--- a/OvaleBestAction.lua
+++ b/OvaleBestAction.lua
@@ -1,6 +1,6 @@
 --[[--------------------------------------------------------------------
     Ovale Spell Priority
-    Copyright (C) 2012 Sidoine
+    Copyright (C) 2012, 2013 Sidoine, 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
diff --git a/OvaleCondition.lua b/OvaleCondition.lua
index 58a1848..aa19399 100644
--- a/OvaleCondition.lua
+++ b/OvaleCondition.lua
@@ -1,6 +1,6 @@
 --[[--------------------------------------------------------------------
     Ovale Spell Priority
-    Copyright (C) 2012 Sidoine, Johnny C. Lam
+    Copyright (C) 2012, 2013 Sidoine, 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
diff --git a/OvaleData.lua b/OvaleData.lua
index cd297c6..8dde6fe 100644
--- a/OvaleData.lua
+++ b/OvaleData.lua
@@ -1,6 +1,6 @@
 --[[--------------------------------------------------------------------
     Ovale Spell Priority
-    Copyright (C) 2012 Sidoine, Johnny C. Lam
+    Copyright (C) 2012, 2013 Sidoine, 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
diff --git a/OvaleEquipement.lua b/OvaleEquipement.lua
index 7fe3933..3275848 100644
--- a/OvaleEquipement.lua
+++ b/OvaleEquipement.lua
@@ -1,6 +1,6 @@
 --[[--------------------------------------------------------------------
     Ovale Spell Priority
-    Copyright (C) 2011, 2012 Sidoine
+    Copyright (C) 2011, 2012, 2013 Sidoine, 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