replay: better help for -s option
replay: better help for -s option

-s accepts an option to delay command queueing.

Signed-off-by: Frediano Ziglio <55d48b080b2e443e395cde84d2c83b135a4ff48e@redhat.com>
Acked-by: Marc-André Lureau <f20011f729ce65c6b731da6d94357379565098f1@redhat.com>

fgouget/spice,fgouget/spice,fgouget/spice,SPICE/spice,fgouget/spice,SPICE/spice,SPICE/spice