add license

diff --git a/Cenote.toc b/Cenote.toc
index 24af5b5..7fc510f 100644
--- a/Cenote.toc
+++ b/Cenote.toc
@@ -1,6 +1,7 @@
-## Interface: 40000
+## Interface: 40000
 ## Title: Cenote
 ## Notes: Add timer to the build-in spell alert
+## Author: yleaf
 #### SavedVariables: CenoteDB
 ## Version: 4.0.3.1-beta

diff --git a/core.lua b/core.lua
index 7a6fa13..b50d127 100644
--- a/core.lua
+++ b/core.lua
@@ -1,5 +1,29 @@
-
-local L = setmetatable({}, {__index=function(t, i) return i end})
+--[===[
+    Copyright (c) 2010 yleaf (yaroot@gmail.com)
+
+    Permission is hereby granted, free of charge, to any person
+    obtaining a copy of this software and associated documentation
+    files (the "Software"), to deal in the Software without
+    restriction, including without limitation the rights to use,
+    copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the
+    Software is furnished to do so, subject to the following
+    conditions:
+
+    The above copyright notice and this permission notice shall be
+    included in all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+    OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+    HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+    WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+    OTHER DEALINGS IN THE SOFTWARE.
+]===]
+
+--local L = setmetatable({}, {__index=function(t, i) return i end})
 local Cenote = LibStub('AceAddon-3.0'):NewAddon('Cenote')
 local debug