Restpose

- Fixed compilation problems for windows, and added support for installing
and running as a windows service.
- Add a /shutdown resource, POST to this to shut the server down.
- Display a log message on server startup.
- Miscellaneous other build fixes.
- Update links to point to new repository location (now using an
organisation on github: http://github.com/restpose )

- Initial geospatial search support.
- Initial faceting support.
- Rework access to collection configuration when parallel indexing.
- Allow slots to be associated with most field types, to allow sorting and
faceting by them.

- Add association of objects with search results.

- More packaging tweaks; no longer require nose at all, other than in
requirements.txt.

- Fixes to packaging; no longer require import of restpose to work to be
able to run setup.py, and include install dependency on six.