Merge branch 'release' of git://github.com/melinath/philo

* 'release' of git://github.com/melinath/philo:
  Minor correction to django-mptt requirements.
  Upped version information to 0.1rc. Switched from distutils to setuptools and added dependency information and metadata.
  Added documentation for has_navigation and navigation_host filters. Added examples of Node.navigation use to Navigation docs. Added more human-friendly general docs for shipherd.