Added marker property to interface to detect ability to intercept OData
Rejiggered to use an IRawSearchService interface
Fix #1964 by hijacking the OData key request and sending it to the search service
Change take value to 40 in order to line up with OData default behavior
Address some code review feedback
Fix FxCop
Fix more FxCop
Merge pull request #1969 from NuGet/anurse/1964-hijackodata

Fix #1964 by hijacking the OData request