rename system-cleaner-gtk to cruft-remover-gtk

[Mario Vukelic]

On Mon, 2008-11-03 at 11:31 +0530, shirish wrote:
> had to rename it to cruft-remover-gtk due
> to trademark related names.

Non-technical users have absolutely no idea what "cruft" means.
Wikipedia correctly says, "Cruft is computing jargon"
http://en.wikipedia.org/wiki/Cruft

I was so used to the term and once used it in end user communication at
the large company I work for. Nobody understood.