AudioSelection: enable wrap-a-round for audio/subtitle lists
ChannelSelection: Simplify correctChannelNumber

As the comparision with the alternatives as in fact not required at all
NumericalTextInput: add the missing character to RU layout

Signed-off-by: Littlesat <littlesat99@yahoo.com>
ChannelSelection: correctly correct channel number when pipzap
VirtualKeyBoard: change Russian keylayout

Thanks Dima73
ChannelSelection: Correct numbers with pipzal and changing bouquets
ChannelSelection: ensure mainScreenMode/Type does exist
MediaPlayer: Hide inforbar when menu is shown
MediaPlayer: Add option to always hide InfoBar
Merge branch 'master' of git://git.code.sf.net/p/openpli/enigma2
Merge branch 'master' of github.com:openmips/stbgui