added basic mouse support (actually we don't need more)
.THGRIDWM1gridwm-0.0.SHNAMEgridwm \- grid window manager.SHSYNOPSIS.Bgridwm.RB[\-v].SHDESCRIPTION.SSOverview.Bgridwmis an automatic window manager for X11..SSOptions.TP.B\-vprints version information to stdout, then exits..SHSEEALSO.BRgridmenu(1)