Embargo shows to non-logged in people

Added to code to only display Embargo when a user is logged-in
Fix: Problem in accordion view of dataset v1.7

Added “heightStyle:content” to addAcordion() in body.vm for
dashboard/local/display for both dmpt and jcu-self-submission
Enable DOI in old workflow
RIF.xml: DOI changes

Added DOI to <rif:identifier> and changed citation DOI from
http://dx.doi.org to http://doi.org