Addition of datastore TestModel and requisite unit tests.
Initial addition of restful services examples using ProtoRPC.
Update README.md

Fixed a typo.
Added documentation on invoking create and updated endpoint to declare a restful service endpoint.
Added documentation for the path to the local discovery url for the service endpoints.
Initial addition of restful services for groups using ProtoRPC.
Merge remote-tracking branch 'origin/master'
Merge pull request #5 from jasonchilders/master

Working web service