Update the LISP Tutorial for new features in Helium

  - Update for changes due to Karaf packaging
  - Explain what SMR is and how to enable it
  - More cleanup and reformatting

Change-Id: I596257041feb997e45a67299674708cd6ce544f1
Signed-off-by: Lorand Jakab <lojakab@cisco.com>
Merge "Update the LISP Tutorial for new features in Helium"