* Add support for lchmod(), lutimes() and lchflags(), allowing symlinks
  to fully replicated.
* Fix issues when the destination of a rename is chflag'ed in a way that
  causes the rename to fail.
* Delete temporary files when a rename flies.
* Set SrcHost/DstHost.version for local sources or targets to make
  version tests easier.
* Remove the FSMID support (obsolete in DragonFly BSD since 2009).
* Fix minor typos.
* Minor makefile improvement.