Moved ReadVideo/Application() from cSatipSocket into cSatipRtp/cStatipRtcp classes and get rid of unnecessary memcpy.

The original patch is polished and tweaked by Rolf Ahrenberg.
Fixed buffer handling in cSatipTuner::ParseReceptionParameters().
Fixed tuner reconnection issues.
Moved tuner statistics back to cSatipTuner.
Get rid of pointers.
Renamed Action() to Process().
Get rid of pointers.
Merge remote-tracking branch 'upstream/poller' into poller-stefan

kept correction of class name in cSatipRtp::DebugCallback

Conflicts:
	rtcp.c
	rtcp.h
	rtp.c
	rtp.h
	rtsp.c