Final wording prior to release

Added credits, comments and legal wording prior to release

Author: Simon Riggs

contrib/fixeddecimal/README.md

@@ -1,6 +1,8 @@
 FIXEDDECIMAL
 ============
 
+Works with PostgreSQL 9.5 and Postgres-XL 9.5
+
 Overview
 --------
 
@@ -143,3 +145,12 @@ From psql, in order to create the extension you must type:
 ```
 CREATE EXTENSION fixeddecimal;
 ```
+
+Credits
+-------
+
+fixeddecimal is open source using The PostgreSQL Licence, copyright is novated to the PostgreSQL Global Development Group.
+
+Source code developed by 2ndQuadrant, as part of the AXLE project (http://axleproject.eu) which received funding from the European Union’s Seventh Framework Programme (FP7/2007-2015) under grant agreement n° 318633
+
+Lead Developer - David Rowley