[pvr] separate pvr section in tv and radio
[win32] update VS2010 project files
[osx] update xcode project
[keymaps] update to fit new pvr windows
[confluence] separate pvr section in tv and radio
[gui] new gui info properties PVR.HasTVChannels and PVR.HasRadioChannels
[confluence] hide TV/Radio menu entry if no channels exist