Featureserver

* Fix to make debugging PostGIS inserts easier by cleaning up
psycopg1/psycopg2 interactions
* Fix to WSGI handler to make params case insensitive
* Add support for OSM datasource
* Update support for OSM output
* ArcGML service output, for ESRI-friendly GML
* Cleanups to BerkleyDB datasource from brentp

* Add additional docs on querying
* Improve PostGIS DataSource -- no more need for OGR to use PostGIS
(from Josh Livni), Make it work with psycopg2 or psycopg1
(from Howard Butler)
* Updates to json.html to centralize service location (from Howard Butler)
* Add support for 'unique' property on DBM
* Cleaning up tests -- can now be run via python setup.py runtests
* Cleanups from Howard:
* Move Feature() class out of __init__
* improved tests
* reorganized imports
* etc.
* Cleaned up packaging for eggs

* Packaging changes

* GeoRSS mime type fix
* index.html using correct OpenLayers version
* Insert bogus CRS into GeoJSON

* Fix some JSON posting support.

* Better AtomPub support.
* Improved GeoRSS parsing: GeoRSS GML and GeoRSS Simple Box support.
* Modified imports to not be relative
* Better docs
* Other small library improvements