hi there,

please read

• Calendaring
• Time and Date Howto
• Event Tool

code to backport:

search these links:

• http://network.greenchange.org/
• code.autistici.org/trac/crabgrass/brows...
• github.com/sethwalker/greenchange

Looks like the bulk of the code to backport is collected here:

• github.com/sethwalker/greenchange/commi...