fixed auth test failures when roles_file or rights_file in unspecified arg to SimpleAuthorizer
fixed auth test failures when roles_file or rights_file in unspecified arg
to SimpleAuthorizer

zejn/cubes,cesarmarinhorj/cubes,pombredanne/cubes,jell0720/cubes,ubreddy/cubes,noyeitan/cubes,noyeitan/cubes,jell0720/cubes,cesarmarinhorj/cubes,ubreddy/cubes,cesarmarinhorj/cubes,pombredanne/cubes,jell0720/cubes,ubreddy/cubes,zejn/cubes,pombredanne/cubes,noyeitan/cubes,zejn/cubes