Whitespace cleanups

[Nate Gallaher]

Ken Thomases wrote:
> One important reason to avoid whitespace-only changes is it makes git-blame essentially useless for finding the real source of functional changes.
>   
But is that really important?  git-bisect would put you on the other 
side of any whitespace changes, and a prudent bug-hunter should be 
referring to the commit logs anyway.

There should be a path to eventual codebase sanity, no matter how slow.

~Nate