The image buttons are gray by default now.

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/trunk/supertuxkart@1749 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/widget_manager.cpp

@@ -812,7 +812,7 @@ bool WidgetManager::addImgButtonWgt
 {
     if( !( addWgt( TOKEN, MIN_WIDTH, MIN_HEIGHT ))) return false;
 
-    setWgtColor( TOKEN, WGT_WHITE );
+    setWgtColor( TOKEN, WGT_GRAY );
     showWgtRect( TOKEN );
     setWgtTexture( TOKEN, IMG );
     showWgtTexture( TOKEN );