Fix bug with /user/ returning articles of repo owner instead of error
Fix bug with /user/ returning articles of repo owner instead of error

- The point of /user/ (without an author name) is to show the logged in user
  information.  So if there is no logged in user then there is nothing to show
  at that URL.

pluralsight/guides-cms,paulocheque/guides-cms,paulocheque/guides-cms,paulocheque/guides-cms,pluralsight/guides-cms,pluralsight/guides-cms