slideshow overlay
 * Audio Overlay: includes album cover, track, artists, album (year) and time info
 * Separate Photo/Audio Overlay Toggles (manual/auto/disabled)
 * Audio Overlay will only show when manual toggle(up/down) or track changes (remember you can change tracks in slideshow with fwd/rwd buttons)
 * removed disabled option from overlay speed (replaced by toggle for individual overlay: photo/audio)
 * FAST overlay speed changed from 1 sec to 1.5
 * Overlay Speed is not shown in description: I.E. fast (1.5 sec) , slow (10 sec), etc