few cullen changes
Merge branch 'master' into cj2
Merge branch 'master' into cj2
Updated refernces to current drafts
change SDES to must not and few other ref clean ups
Move 3960 from normatiive to informative ref
add some xref for draft references
added missing refs for RFCs
clean up cruft in ref section
Removed note that seem no longer true
Merge pull request #3 from juberti/cj2

Cullen edits - fit to 72 columns, fix up references, update out of date text on SDES