[gui] adds SubChannelNumber and ChannelNumberLabel property to Video- and MusicPlayer
[confluence] uses ChannelNumberLabel instead of ChannelNumber at all missing places
Merge pull request #5368 from xhaggi/confluence-use-channelnumberlabel

[pvr] uses ChannelNumberLabel instead of ChannelNumber at all missing places
[pvr] fix unexpected jumping of selected item if notified by observable

In some cases we refresh the entire item list if we get a notification from the observable. This updates m_selectedItemPaths in Notify() to prevent the selected item from jumping.
Merge pull request #5372 from xhaggi/pvr-fix-selecteditem-jumps-after-notify

[pvr] fix unexpected jumping of selected item if notified by observable
ffmpeg: bump to 2.4
ffmpeg: adapt win32 dlls to major versions of 2.4