Make installation with no network or a broken network work more smoothly
There are continuing problems when installing with a missing or broken network. Some of these are installer bugs, while some could be greatly alleviated by more intelligent timeout behaviour in apt. Make sure that we stop being plagued by these.
mvo: 20071121 I think its ready for review
2007-11-22 kamion: approved. mvo as assignee but the installer bits will fall to either me or (more probably) evand; please chase as appropriate.
keybuk, 2007-11-27: reducing priority compared to mvo's other specs
mvo: 2008-02-08: the apt bits are implemented and uploaded
mvo: 2008-02-10: the apt-setup/ubiquity parts are now implemented as well, setting to beta available