Add License

MIT-LICENSE.txt

@@ -0,0 +1,18 @@
+Copyright © 2012 SerhoLiu, http://serholiu.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.

README.md

@@ -41,6 +41,10 @@ Picky 和 Post 相比，没有 tags 和 category。
 
 部署建议: [在服务器上部署 Tornado 开发的网站][4]
 
+## License
+
+MIT LICENSE, see MIT-LICENSE.txt
+
 [1]: http://www.tornadoweb.org/
 [2]: http://misaka.61924.nl/
 [3]: http://pygments.org/