Add commits from old git repo (git://git.sr71.net/gmailfs.git)#3

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h3xx wants to merge 13 commits intohansendc:masterfrom

h3xx:updates-from-old-git

Commits on Jan 8, 2011

rework exception code (and a few other things)
Dave Hansen
committed
fix up quota exceptions
Dave Hansen
committed
fix some more exception handling
Dave Hansen
committed
fix readlink() path decoding
Dave Hansen
committed

Commits on Jan 11, 2011

moving along, added fsck
Dave Hansen
committed
reduce stdout verbosity of block writeout
Dave Hansen
committed
rework dirty writeout code
Dave Hansen
committed

Commits on Jan 13, 2011

lots of junk
Dave Hansen
committed

Commits on Feb 27, 2011

more fsck improvements
Dave Hansen
committed

Commits on Feb 28, 2011

fix inadvertent block message deletion
Dave Hansen
committed

Commits on Mar 1, 2011

fix nlink tracking
Dave Hansen
committed

Commits on Jun 6, 2011

add better debugging message about sleeping
hansendc
committed

Commits on Nov 28, 2011

fix string.replace
hansendc
committed