* godmode/menu.php, godmode/alerts/alert_special_days.php,
godmode/alerts/configure_alert_special_days.php,
godmode/alerts/configure_alert_template.php,
extras/pandoradb_migrate_4.0.x_to_4.1.mysql.sql,
extras/pandoradb_migrate_4.0.x_to_4.1.oracle.sql,
extras/pandoradb_migrate_4.0.x_to_4.1.postgreSQL.sql,
pandoradb.oracle.sql, pandoradb.postgreSQL.sql, pandoradb.sql,
include/functions_alerts.php: Added special days feature. It allows
to define special days (holidays and special working days) for
alert templates.
git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@5421 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f