Handle aspect-ratio changes in MPEG-2 streams.  Also add a feature (press z) to force the display to be fullscreen (i.e. 16:9) or 4:3 pillarboxed
First attempt to add next event info to OSD info screen
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master' into onscreenepg

Conflicts:
	osd.c