[Cryptech Tech] Update of timeline and date formats

[Rob Austein]

Default date format should now be ISO 8601.

Joachim, can you be more specific about what you mean by:

> It seems that the timeline in trac isn't being updated with status
> changes in the repo:
> 
> http://cryptech.is/timeline

When I look at that page, I see both Wiki edits and git changesets.
Do you not see those, or were you expecting something else?