[GRASS-dev] new profiling tool and other gis.m updates

[Hamish]

> The hot-keys can be pretty much anything. For me at least, i,o,p,m,q/?
> are easy to remember for in, out, pan, measure, and query.
> 
> These are not all physically adjacent to be used like arrow keys or
> typing words, of course. 


also, don't forget F1-F12, which exist for this sort of thing.
we could even make a PDF print & cutout guide...

These shortcuts are most useful for a tool like v.digit.



Hamish