Small changes to the VFD display layout of VUDUO2/ET8K/ET10K
Do not show timeshift protection when no services are in the history

Thanks Dima73
http://openpli.org/forums/topic/33259-timeshift-press-0-key-stop-it-immediately-without-any-prompt/
MovieSelection: move selection down when playing next audio file

This will update the front display with the currently played audio file
and also the information on the screen will point to the currently played
audio file

In addition I also remove a line of obsolete code

http://openpli.org/forums/topic/33216-probleem-mediaplayer-openpli-40-dm8000/
NimManager: change default rotorpositions from 49 to 99

As this value might still limit the positioner setup plugin etc.
Thanks Alex_ for reporting
http://openpli.org/forums/topic/33045-geheugenindex-voor-v-box-niet-meer-hoger-dan-49/
NimManager: In the previous commit I forgot to change a config

Sorry...
Small obtimalizations to InfoBarScreenSaver
Add screensaver to MovieSelection for playing MP3s
Solve a debug code I used to test the screensaver
Correctly refocus to next to played service

And correct the focus to the currently played when the screensaver occurs
Merge remote-tracking branch 'OpenPLI/master'