v0.93.3

unicorn 0.93.3

This release fixes compatibility with OpenBSD (and possibly
other Unices with stricter fchmod(2) implementations) thanks to
Jeremy Evans.  Additionally there are small documentation
changes all around.

Eric Wong (12):
      doc: expand on the SELF_PIPE description
      fchmod heartbeat flips between 0/1 for compatibility
      examples/init.sh: remove "set -u"
      configurator: update with nginx fail_timeout=0 example
      PHILOSOPHY: clarify experience other deployments
      PHILOSOPHY: plug the Rainbows! spin-off project
      README: remove unnecessary and extraneous dash
      DESIGN: clarification and possibly improve HTML validity
      README: remove the "non-existent" part
      README: emphasize the "fast clients"-only part
      drop the whitespace cleaner for Ragel->C
      unicorn 0.93.3