Added the Google Summer of Code folks to the credits.

CREDITS

@@ -10,8 +10,23 @@ Thanks to everyone who made this possible, including:
   Hans-Peter Gygax, the Eternal Lands Development Team, Lars Brubaker,
   and Phoenix Kokido for financial contributions
 
-* Marty Leisner, Andrew, Will, and Couriersud for helping find SDL 1.3 bugs
-  in the great SDL Bug Hunt of January 2009!
+* Edgar "bobbens" Simo for his force feedback API development during the
+  Google Summer of Code 2008
+
+* Aaron Wishnick for his work on audio resampling and pitch shifting during
+  the Google Summer of Code 2008
+
+* Holmes Futrell for port of SDL to the iPhone and iPod Touch during the
+  Google Summer of Code 2008
+
+* Darren Alton for port of SDL to the Nintendo DS during the Google Summer
+  of Code 2008
+
+* Szymon "Wilku" Wilczek for adding support for multiple mice and tablets
+  during the Google Summer of Code 2008
+
+* Marty Leisner, Andrew, Will, Edgar Simo, and Couriersud for helping find
+  SDL 1.3 bugs in the great SDL Bug Hunt of January 2009!
 
 * Ga�tan de Menten for writing the PHP and SQL behind the SDL website