clean cache code and merge from master
more cache cleanup
further work on clean filecache
read-write fix; initial cache cleanup thread
Merge branch 'master' of github.com:pantheon-systems/fusedav into cleanfilecache2
reasonable filecache cleanup commit
Re-add ignore for editor backup files.
working clean cache thread
working clean cache code
Merge branch 'master' of github.com:pantheon-systems/fusedav into cleanfilecache2
Prepare to push clean cache code
Revert to production values for aging out during clean cache
remove spurious debug messages
remove spurious debug code
remove spurious debug code
fixes to clean cache and rmdir; pre-working statcache pruning
Merge branch 'master' of github.com:pantheon-systems/fusedav into prunestatcache
minor
Sumbit for review
minor