Trash: base dir in $HOME

[Mikhail Ramendik]

Alexander Larsson wrote:

> > $XDG_CACHE_HOME is "non essential, cached data", which IMHO doesn't apply
> > to trash data - it's essential to the user, it's not a throwable cache, as discussed earlier.
> > 
> > So my suggestion is $XDG_DATA_HOME/Trash - let's have the freedesktop.org specs
> > play nicely with each other, indeed :)
> 
> I'm really fine with everything, as long as there is some way to handle
> backwards compat with old gnome using ~/.Trash.

OK, I'll put this into 0.3.