[mojosetup] Questions, bugs, mkdir fix, feature requests

[Ryan C. Gordon]

> That's on the TODO list...the loki_setup_compat script was a first 
> attempt at this.

Whoops, I misread this. Let me think on this one some more. It's 
probably just small files that need to get written out (like a 
registration file, etc), so having a way to add to the manifest without 
having to plug into the progress UI might be all it needs...

--ryan.