Almost immediately after the release of 22.214.171.124, someone brought the fact that there are 2 different days that Easter can fall on to my attention. Western and Eastern Orthodox celebrate Easter on a different day. So...
Add Easterorth doodle type
The Easterorth doodle type will display a logo every year on Easter Sunday for the Eastern Orthodox religion. easterorth | logos/easter.png | Happy Easter!
This update also removes the requirement that PHP has calendar support enabled.