In the Helsinki and Istanbul releases, an improved version
of calendar reports is available. To use the version of calendars from releases prior to Helsinki, disable the new calendar
Role required: report_admin or admin
Note: Internet Explorer 7 and 8 do not support new calendars. Even if new calendars are
enabled, old calendars are always used on these browsers.
Add the glide.report.new_calendar system property, and set
it to false.