Improve scripts handling and add a some new phases to
the proceedings. Actually the whole script stuff didn't work before...
Scripts in general aren't documented yet, because it's still very much
More output during setting inheritance. Fix proper inheritance of
build_order and build_ignore.
Lots of en-passant bug fixes. Should be in general better than 0.5
Add -V option.
Added new did-install script phase. Depending on actual usage, I'll
probably ditch some of the other phases again. This is all in flux.