ScreenOptionsSound

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Version 2:

Add:

<ButtonExit>

<SelectSlideBackgroundMusic>
<SelectSlideBackgroundMusicVolume>
<SelectSlideBackgroundMusicSource>

and some texts for description (Text2, Text3, Text4)
"TR_SCREENOSOUND_BACKGROUNDMUSIC"
"TR_SCREENOSOUND_BACKGROUNDMUSICVOLUME"
"TR_SCREENOSOUND_BACKGROUNDMUSICSOURCE"
++++++++++ 
