Update version stamps for droppings and .plfsdebug / plfs_version output
Trying to resolve the random errors seen through FUSE
More thread-safety updates for FUSE
Updates for thread safety, documentation update for PLFSRC
Removed some bad mutexes I left in my test code
Don't call setgroups() unless root
Using rwlock to protect syncing while writing, added a mlog message about closing a file that doesn't exist
Added a comment to explain why we're read-locking on a write call :)
Merge pull request #317 from thewacokid/master

Update version stamps for droppings and .plfsdebug / plfs_version output + FUSE fixes + documentation fix