Added more detail to readme

Author: harrism

README.md

@@ -1,4 +1,13 @@
 Parallel Forall Code Samples
 ============================
 
-This repository contains source code examples from the Parallel Forall Blog.
+This repository contains source code examples from the NVIDIA [Parallel Forall Blog](http://developer.nvidia.com/parallel-forall).
+
+License
+-------
+
+These examples are released under the Apache 2.0 open source license.  Refer to license.txt in this directory for full details.
+
+List of Code Samples
+--------------------
+posts/002-openacc-example: An example of [OpenACC Directives programming].