Add LICENSE file. Kudos to Philippe Creux.

LICENSE

@@ -0,0 +1,42 @@
+Copyright (c) 2013 Lauri Lehmijoki
+
+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.
+
+(This software is derived from the Ruby gem jekyll-s3, which was created by
+Philippe Creux. Below is the MIT license of jekyll-s3.)
+
+Copyright (c) 2011 VersaPay, Philippe Creux.
+
+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

@@ -293,11 +293,14 @@ request being incorporated into future releases.
 
 ## License
 
-MIT
+MIT. See the LICENSE file for more information.
 
-## Copyright
+## Contributors
 
-Copyright (c) 2011 VersaPay, Philippe Creux.
+This gem is created by [Lauri Lehmijoki](https://github.com/laurilehmijoki).
+Without the valuable work of [Philippe Creux](https://github.com/pcreux) on
+[jekyll-s3](https://github.com/laurilehmijoki/jekyll-s3), this project would not
+exist.
 
 Contributors (in alphabetical order)
 * Alan deLevie
@@ -306,9 +309,9 @@ Contributors (in alphabetical order)
 * Chris Moos
 * David Michael Barr
 * László Bácsi
-* Lauri Lehmijoki
 * Mason Turner
 * Michael Bleigh
+* Philippe Creux
 * Shigeaki Matsumura
 * stanislas
 * Trevor Fitzgerald