Added class FeedODataFacade to GoodGet, exposing an API that allows GoodGet to query a given feed using the raw OData protocol.
Added a convenience Feed instance to the Feed class that represent the Starcounter feed on MyGet.
Implemented IsLatestVersion of FeedODataFacade.
Adapted the UpdateUsingODataFeedAuthority to utilize the new FeedODataFacade services instead of implementing it's own OData-based access.