Line-ending fixes for most of the remaining files.

Fixes line-endings for files with extensions vcd, cc, txt, bat, fxc, inc, lst,
proto, mak, mm, cfg, res, rc, def, vmt, vsh, vbsp, inl, asm, m4, vcproj,
vcxproj, sln, in, java, la, manifest, am, and rad.

Also fixes README, CONTRIBUTING, CONTRIBUTORS, LICENSE, CHANGES, COPYING, and
gitignore.

Finally, fixes executable bits.

sp/game/mod_hl2/scripts/surfaceproperties_manifest.txt

@@ -1,17 +1,17 @@
-// Override this file in your mod directory so you can load the base HL2 file as well
-// as new properties.  
-// NOTE: Listing a property twice (e.g. in separate files) means that
-// the values in the second definition will override the first definition
-
-// NOTE: Each file must have a unique name.  The physics system does not understand mods and will not
-// parse the same file (compared by name) twice.
-
-surfaceproperties_manifest
-{
-	"file"		"scripts/surfaceproperties.txt"
-	
-	// List additional surface property files here:
-	"file"		"scripts/surfaceproperties_hl2.txt"
-
-	
-}
+// Override this file in your mod directory so you can load the base HL2 file as well
+// as new properties.  
+// NOTE: Listing a property twice (e.g. in separate files) means that
+// the values in the second definition will override the first definition
+
+// NOTE: Each file must have a unique name.  The physics system does not understand mods and will not
+// parse the same file (compared by name) twice.
+
+surfaceproperties_manifest
+{
+	"file"		"scripts/surfaceproperties.txt"
+	
+	// List additional surface property files here:
+	"file"		"scripts/surfaceproperties_hl2.txt"
+
+	
+}