attaching glycans to other residues (#6415) * An edit of the SimpleGlycosylateMover so that a linker atom can be specified on the residue to be glycosylated. Even the wrong atom, so long as it is in the residue, triggers a change in the code pathway so users will need to be cautious. Rosetta still finds the right patch for the residue if it exists and is functional (and it is the only glycosylation-related patch for that residue). There is an onus on the user to check functionality when using the new feature; old features perform the same. * Adding an integration test to test the functionality of the mover.