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 branch 'master' of git://git.code.sf.net/p/openpli/enigma2 into BETA