Using the calendar and libcalendaring plugins from kolab git with current stable RC 1.1.3 doesnt work, save error, yes, i did run the mysql init, errors report:
no e.* are created by the database setup scripts?
DB Error: [1054] Unknown column 'e.calendar_id' in 'where clause' (SQL Query: SELECT e.*, (SELECT COUNT(attachment_id) FROM attachments WHERE event_id = e.event_id OR event_id = e.recurrence_id) AS _attachments FROM events e WHERE e.calendar_id IN ('1') AND e.start <= '2015-12-07 00:00:00' AND e.end >= '2015-10-26 00:00:00') in /web/webmail/program/lib/Roundcube/rcube_db.php on line 543 (GET /?_task=calendar&source=1&_action=load_events&start=1445781600&end=1449410400&_=1445063150065)