[GRASS5] [bug #2981] (grass) DUPLICATE icon in GIS Manager

[Hamish]

> I took a look at the icons. The only one that is potentially in common
> between the GIS manager and v.digit is for pan. However, the v.digit
> pan icon looks too close to the zoom back icon in the GIS Manager.
> Maybe the GIS Manager pan icon should be used in v.digit???

"redraw" was the one that caught my eye. Maybe stuff the d.m redraw
button into the monitor's display in the v.digit button?
  ..trying to make things more intuitive..

region settings to d.m world graphic too?



Hamish