adding RFC2557 reference
Update biblio.js

added few dated references
added RFC6838
Added RC3778
Merge pull request #210 from ylafon/develop

more RFC entries.
renaming to RFC2557
Merge pull request #211 from efullea/develop

adding RFC2557 reference
Update biblio.js
fixed wrong status format
Merge pull request #209 from gps-git/patch-1

Update biblio.js
Support for additional links
Closed anchor.
fixed merge conflicts