[gdal-dev] more commands, less utilities

[Brent Fraser]

How about gdaldem2image for a name?  A little long, but less confusion over what it actually does...

Matt Wilkie wrote:
>> Upon reflection, I think we should congregate these utilities into a
>> single utility -- gdaldem (I'm totally flexible on the name -- and
>> have each be a separate operation within that rather than
>> proliferating five more GDAL utilities.
>  -- http://trac.osgeo.org/gdal/ticket/2640
>