Git commits in Moodle 3.0.3 by David Balch

commit 6b36cd591edd0ad81f6aea9fb02efe767e76be7b
Author: David Balch <david.balch@conted.ox.ac.uk>
Date:   Mon, 08 Feb 2016 19:42:28 +0800
Tag:    v3.0.3

MDL-53027 calendar: Fix false empty result from calendar_get_events().