[css-position-3] Sort acks. Add Oriol.

Author: fantasai

css-position-3/Overview.bs

@@ -1640,8 +1640,17 @@ Absolute Positioning Example</h3>
 Acknowledgments</h2>
 
 	This module would not have been possible without input and support from many
-	helpful people. Thanks to Bert Bos, Tantek &Ccedil;elik, Anton Prowse,
-	Rossen Atanassov, Chris Jones, John Jansen, Sylvain Galineau, Arron Eicholz.
+	helpful people. Thanks to
+	Rossen Atanassov,
+	Bert Bos,
+	Oriol Brufau,
+	Tantek &Ccedil;elik,
+	Arron Eicholz
+	Sylvain Galineau,
+	John Jansen,
+	Chris Jones,
+	Ian Kilpatrick,
+	Anton Prowse.
 
 
 <h2 class="no-num" id="changes">Changes</h2>