rif 1.6 and rif-vocabs
Merge branch 'develop' of github.com:au-research/ANDS-Registry-Core into develop

* 'develop' of github.com:au-research/ANDS-Registry-Core:
  Sort link checker results by ID
  Cope with link checker's Keep-Alive
  fix accessRights type being empty
  added refresh of page when user clicks outside of modal to close it
  removed more new line characters from  the activity log messages
  removed conole logging code
  fixed extra symbols appearring in activity log
  fixed to set session variable up wit doi value to stop nasty people changng it