several patches from Grml

[Evgeni Golov <evgeni@grml.org>]

Hi *,

some (quite long, I must admit) time ago, Daniel asked us (Grml) to 
upstream our patches against live-boot.

I have prepared a first bunch (6) patches which I think would be useful 
to have in live-boot [1]. With our total of 21 patches, of which 3 are 
for replacing defaults, and 6 are posted above, that's 12 patches to go, 
yay :)

Regards
Evgeni

[1] https://github.com/evgeni/live-boot/compare/debian-next...grml

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