Package check result: NOTE

Check: CRAN incoming feasibility, Result: NOTE
  Maintainer: ‘Ravi Varadhan <ravi.varadhan@jhu.edu>’
  
  New maintainer:
    Ravi Varadhan <ravi.varadhan@jhu.edu>
  Old maintainer(s):
    Paul Gilbert <pgilbert.ttv9z@ncf.ca>

No changes to worse in reverse depends.