Git commits in Moodle 2.6.6 by Yolanda Ordóñez Rufat

commit fd3a5966161ac1f8031c9d8603f8fa2750ef89a2
Author: Yolanda Ordóñez Rufat <tehanuyor@gmail.com>
Date:   Wed, 15 Oct 2014 20:05:09 +0800
Tag:    v2.6.6

MDL-47466 calendar: fixed error ORA-01795 in calendar_get_events

commit 00fbac668e06c186f7ddc78c3459ce5e9069b4c8
Author: Yolanda Ordóñez Rufat <tehanuyor@gmail.com>
Date:   Tue, 30 Sep 2014 18:44:18 +0800
Tag:    v2.6.6

MDL-47466 calendar: use get_in_or_equal() in function calendar_get_events to fix problem with ORA-01795