Update: Contributed doc. browser bindings incl. Shibboleth

[Anders Rundgren <anders.rundgren@telia.com>]

Hi Prateek,
You asked for the write-up.  Did never got any feedback though.
Here is an upgrade that also includes Shibboleth:

      http://www.x-obi.com/OBI400/andersr-browser-artifact.ppt 

The Push model is by no means dead.  It is the Pull model that has
problems. Although one can argue if this is a Push model really...

Regards
Anders