CVS migo: enhance "tutorial", add "events" man page

[FVWM CVS]

CVSROOT:        /home/cvs/fvwm
Module name:    fvwm
Changes by:     migo    05/09/20 19:55:13

Modified files:
        bin            : ChangeLog fvwm-perllib.in 

Log message:
enhance "tutorial", add "events" man page