moved references from normativ to informational, added TODO on more references (from Iraklis)

medup-requirements/draft-symeonidis-medup-requirements.mkd

@@ -16,10 +16,6 @@ author:
 normative:
   RFC4949:
   RFC7435:
-{::include ../shared/references/unger-sok.mkd}
-{::include ../shared/references/pfitzmann-terminology-privacy.mkd}
-{::include ../shared/references/tor-timing-attacks.mkd}
-{::include ../shared/references/diaz-measuring-anonymity.mkd}
 
 
 informative:
@@ -34,6 +30,19 @@ informative:
 #  I-D.marques-pep-rating:
 #  I-D.marques-pep-handshake:
 
+{::include ../shared/references/unger-sok.mkd}
+{::include ../shared/references/pfitzmann-terminology-privacy.mkd}
+{::include ../shared/references/tor-timing-attacks.mkd}
+{::include ../shared/references/diaz-measuring-anonymity.mkd}
+
+# # TODO: add the following
+# Ksenia Ermoshina, Francesca Musiani, Harry Halpin:
+# End-to-End Encrypted Messaging Protocols: An Overview. INSCI 2016: 244-254
+# 
+# Jeremy Clark, Paul C. van Oorschot, Scott Ruoti, Kent E. Seamons, Daniel Zappala:
+# Securing Email. CoRR abs/1804.07706 (2018)
+
+
 # {::include ../shared/references/ed-keysync.mkd}
 # {::include ../shared/references/isoc-btn.mkd}
 # {::include ../shared/references/implementation-status.mkd}