[tools] RHEL dvd and install

[Ray Van Dolson]

> At first I was thinking this was a tool that could be used to "fuse"
> multiple ISO's into one transparent mount.  Which would be pretty cool
> actually :)

Looks like what I want is UnionFS -- there's a kernel version and a
FUSE based version.

Now maybe I can merge all those mounted CD's into one.

Might be useful to have this happen automagically in mrepo someday...

Ray