Audio optimization on sceAtracLowLevelDecode() and misc UI fixes

It is to inline with sceAtraceDecodeData() and some other misc UI fixes 

1.  	Apply ui_draw2d.DrawTextShadow() to all other texts 
2.  	Fix invisible YES/NO background color in save dialog 
3.  	Apply pic1Texture to other UI during game running . 
4. Scale pic0Texture bit smaller as it overlaps the button