add configuration of site time zone+discussion

Linked to the user's profile/account, or site-wide?

--Gerry Gleason.....2013-06-08 16:33:35 +0000

just the site as whole for starters

--John Abbe.....2013-06-09 05:26:30 +0000

code-level administrators can do this: http://api.rubyonrails.org/classes/ActiveSupport/TimeZone.html

no support for card level configuration yet.

--Ethan McCutchen.....2016-03-09 21:44:51 UTC