Remove all the Obsolete things!
There only was one
Better naming: OAuthToken and OAuthTokenSecret
For OAuth fields on Request data object
Merge pull request #184 from AnthonySteele/remove-obsolete

Remove all the Obsolete things!
Merge branch 'master' into provide-base-route
Decided that we don't need a RequestData to the IBaseUriProvider
there are more than sufficient points of flexibility without it