add timing functions
synchronised playback
add delay reporting to sinks
add support for generic sinks
support for mach time
remove unused functions
fixup alsa sink
fixup pulse sink
make configure finer grade
fix sendto
revert sendto fix, add some debug
revert sendto fix fix
remove sendto debugging
close timing socket outside timing threads
Merge branch 'sntp' of https://github.com/Nachtzuster/shairport into sntp

Conflicts:
	audio_alsa.c
	audio_pulse.c
	configure
	player.c
	rtp.c
	rtsp.c