minor
Merge branch 'master-minor-fixes' of github.com:pantheon-systems/fusedav into master-minor-fixes
Merge pull request #21 from pantheon-systems/master-minor-fixes

Changes in locking; EAGAIN on 404 in open
Support trump value for last_server_update on local modification/creation.
Merge branch 'master-minor-fixes' of github.com:pantheon-systems/fusedav into master-minor-fixes
Merge branch 'master' of github.com:pantheon-systems/fusedav into master-minor-fixes