Allow installation to proceed when CLT is dispersed

@benhoskings commit message should say it all. mind cutting a release with this?
If you want it to be considered met with dispersed binaries you can use the double-check as I pasted above. But the way I wrote this, it always means "unmet", since I don't know of any case where it happens legitimately.

The prompt is for choosing between attempting to meet the dep, and bailing out straight away (in the case where you see the binaries are dispersed and realise there's no point trying to meet the dep; you have to intervene manually to fix something).