NEX-3250 Teach webrev about our information tracking system

*** 31,45 ****
  #
  
  #
  # This setting determines the domain used to resolve internal URLs
  #
! its_domain="illumos.org"
  
  #
  # This setting determines the priority with which an application will
  # resolve information system references.
  #
  # It should be a list (white space separated) of prefixes
  # from the corresponding its.reg file.
  #
! its_priority="illumos sun arc doo"
--- 31,45 ----
  #
  
  #
  # This setting determines the domain used to resolve internal URLs
  #
! its_domain="nexenta.com illumos.org"
  
  #
  # This setting determines the priority with which an application will
  # resolve information system references.
  #
  # It should be a list (white space separated) of prefixes
  # from the corresponding its.reg file.
  #
! its_priority="nexenta-nex nexenta-os nexenta-sup illumos sun arc doo"