Update README.md to include license

README.md

@@ -1,4 +1,11 @@
-resize
+Resize
 ======
 
-Image resizing in Go.
+Image resizing for the [Go programming language](http://golang.org) that provides a few interpolation methods.
+
+License
+=======
+
+Copyright (c) 2012 Jan Schlicht <janschlicht@gmail.com>
+This software is released unter the ISC license.
+The license text is at <http://www.isc.org/software/license>