complete-run.pl: accept the xvfb option from command line
complete-run.pl: accept the xvfb option from command line

stapelberg/i3,Airblader/i3-original,stapelberg/i3,i3/i3,Airblader/i3-original,stapelberg/i3,i3/i3,Airblader/i3-original,i3/i3,Airblader/i3-original,Airblader/i3,stapelberg/i3,Airblader/i3,Airblader/i3,i3/i3,Airblader/i3-original,Airblader/i3