Add an option to preload all banners. This adds to the screen load

time, but makes the actual screen much cleaner.

Add an option to disable banner preloading completely, to remove all
long waits completely.  Don't ChangeBannersWhenFast if we're set
to this.

stepmania/src/MusicWheel.cpp

@@ -475,6 +475,16 @@ void MusicWheel::BuildWheelItemDatas( vector<WheelItemData> &arrayWheelItemDatas
 		ASSERT(0);	// invalid PlayMode
 	}
 
+	if(PREFSMAN->m_BannerCacheType == PREFSMAN->preload_all)
+	{
+		for( i=0; i<arrayWheelItemDatas.size(); i++ )
+		{
+			WheelItemData& WID = arrayWheelItemDatas[i];
+			if(WID.HasBanner())
+				TEXTUREMAN->CacheTexture( Banner::BannerTex(WID.GetBanner()) );
+		}
+	}
+
 	// init music status icons
 	for( i=0; i<arrayWheelItemDatas.size(); i++ )
 	{
@@ -1048,7 +1058,7 @@ void MusicWheel::SetOpenGroup(CString group, SongSortOrder so)
 		//
 		// cache banners
 		//
-		if(from[i].HasBanner())
+		if(from[i].HasBanner() && PREFSMAN->m_BannerCacheType == PREFSMAN->preload_group)
 			TEXTUREMAN->CacheTexture( Banner::BannerTex(from[i].GetBanner()) );
 	}