Adds the Fideslang module and moves to client-side evaluations
Update various names for consistency/clarity (#90) * Update various names for consistency/clarity * updates all of the docs to mention resources and clean up the api/cli pages * updates all of the object references to be resource references in the fidesctl source code * removes some underscores that aren't needed Co-authored-by: Thomas La Piana <tal103020@icloud.com>