Add more contributors to Credits scroll. Let me know if I missed anyone.

UI/MenuScreens.cpp

@@ -634,14 +634,17 @@ static const char * credits[] = {
 	"",
 	"Contributors:",
 	"unknownbrackets",
-	"orphis",
 	"xsacha",
+	"raven02",
+	"oioittf",
+	"tpunix",
+	"orphis",
+	"sum2012",
 	"artart78",
 	"tmaul",
 	"ced2911",
 	"soywiz",
 	"kovensky",
-	"raven02",
 	"xele",
 	"",
 	"Written in C++ for speed and portability",