Log Message:
Update to sunbird-0.3.1.

http://www.mozilla.org/projects/calendar/releases/sunbird0.3.1.html

What's New in Mozilla Sunbird 0.3.1

Mozilla Sunbird 0.3.1 is the latest release of our standalone calendar
application. We recommend that all users upgrade to this latest version.

* The timezones in Sunbird 0.3.1 have been updated to include the Daylight
  Savings Time (summer time) changes passed by the U.S. legislature in 2005.

Release Date: February 19, 2007