databinding and date

As we got issues with dates, mostly because of dates that are timezone 
qualified or unqualified, it would be good to add a link to [1], as it 
gives good explanations for implementers and users.

[1] http://www.w3.org/TR/2005/NOTE-timezone-20051013/

-- 
Baroula que barouleras, au tiéu toujou t'entourneras.

         ~~Yves