The GNU mirror redirector was down yet again, and I have had enough. This change replaces all mentions of ftpmirror.gnu.org with mirrors.kernel.org.
Signed-off-by: Ophestra <cat@gensokyo.uk>
This change also combines the createDir and wantsDir methods, and replaces the non-inplace target of the generic helper with a deterministic path.
Signed-off-by: Ophestra <cat@gensokyo.uk>