oo port behaves bad: does not obey R/O portsdir, etc

[Don Lewis]

On 12 Oct, Dmitry Morozovsky wrote:

> moreover,
> mozilla subport is executed at wrong time, effectively disabling oo build at
> non-networked machine (at least make fetch should download/copy _all_ sources
> including mozilla).

I've been intending to mention this as well.  The mozilla distfile
should be listed in DISTFILES so that "make fetch" will fetch this file,
and also so that "portsclean -D" won't delete it.