[Radiance-general] "rview" has been renamed to "rvu"

[Greg Ward]

As we start the new year, it's time to give a new name to an old 
friend.  Rview is now known as "rvu" in the HEAD release.    I included 
a symbolic link from rvu to rview in the src/rt/Rmakefile install 
script, so you won't have to start typing the new name right away 
unless you feel like it.  However, the other commands whose names 
changed do not have links back to their originals, so be careful to 
clean out your executable directory before the build unless you want to 
have the old commands hanging around forever.  The new names are the 
ones we discussed earlier:

	calc -> icalc
	gencat -> gencatenary
	lam -> rlam
	neat -> neaten

I have also updated the man pages accordingly, and rad now executes rvu 
when you give it the -o option.  I'm hoping I didn't forget anything -- 
a lot of files were affected by the change.  I'm hoping I don't have to 
do this again for a looong time!

-Greg