SharePoint 2010 capability added and prepared for SharePoint online (nee...

...ds some more work to get authentication working). Bug-fix for entities with navigation properties that were treated as partial entities.

2010 works fully with a modification of breeze to map extra metadata when deleting and updating: http://stackoverflow.com/questions/18513334/breezejs-calling-savecchanges-for-a-classic-odata-service-fails. This should be fixed properly in future.