changing name of debian directory on CDs.

[peter green <plugwash@p10link.net>]

I am working on building CDs images for raspbian (a derivative.

I would like to change the name of the debian directory on the CDs to 
make it less confusing for users. That leaves me with two questions.

1: will this cause problems for apt?
2: assuming it doesn't cause problems for apt how do I make the change 
in debian-cd?