Renamed documentation files to .txt and converted them to DOS line endings so they would open properly on all systems.

Updated Makefile.in so "make dist" includes everything necessary for release.

--HG--
rename : BUGS => BUGS.txt
rename : COPYING => COPYING.txt
rename : CREDITS => CREDITS.txt
rename : INSTALL => INSTALL.txt
rename : README.android => README-android.txt
rename : README.cmake => README-cmake.txt
rename : README.DirectFB => README-directfb.txt
rename : README.gesture => README-gesture.txt
rename : README.HG => README-hg.txt
rename : README.iOS => README-ios.txt
rename : README.MacOSX => README-macosx.txt
rename : README.pandora => README-pandora.txt
rename : README.Platforms => README-platforms.txt
rename : README.Porting => README-porting.txt
rename : README.psp => README-psp.txt
rename : README.touch => README-touch.txt
rename : README.WinCE => README-wince.txt
rename : README => README.txt
rename : TODO => TODO.txt

CREDITS.txt

@@ -0,0 +1,33 @@
+
+Simple DirectMedia Layer CREDITS
+Thanks to everyone who made this possible, including:
+
+* Cliff Matthews, for giving me a reason to start this project. :)
+ -- Executor rocks!  *grin*
+
+* The Linux Fund, C Magazine, Educational Technology Resources Inc.,
+  Gareth Noyce, Jesse Pavel, Keith Kitchin, Jeremy Horvath, Thomas Nicholson,
+  Hans-Peter Gygax, the Eternal Lands Development Team, Lars Brubaker,
+  and Phoenix Kokido for financial contributions
+
+* 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
+
+* Szymon "Wilku" Wilczek for adding support for multiple mice and tablets
+  during the Google Summer of Code 2008
+
+* Marty Leisner, Andrew, Will, Edgar Simo, Donny Viszneki, Andrea Mazzoleni,
+  Dmytro Bogovych, and Couriersud for helping find SDL 1.3 bugs in the great
+  SDL Bug Hunt of January 2009!
+
+* Donny Viszneki for helping fix SDL 1.3 bugs in the great SDL Bug Hunt of
+  January 2009!
+
+* Luke Benstead for OpenGL 3.0 support
+