InfoBarGenerics: Introduce a new timeshift live screen

Skinners are now able to create a different screen/message when timeshift
is in the livemode instead of the standard timeshiftstate screen
ChannelSelection Make progressbar height and border width configurable
Try to make VFD of ET10K/VUDUO more redable

By changing service name and event name in capital the letters could be
make a bit bigger and it becomes more readable I hope.
When we do not like this modification we should revert this commit
Listboxservice: symplify some code
Merge branch 'master' of git://git.code.sf.net/p/openpli/enigma2 into BETA