Git commits in Moodle 3.2.x by Jerome Mouneyrac

commit 6f08f36c496a77b9a351d8ee4ebdf454d9bb3e5b
Author: Jerome Mouneyrac <jerome@mouneyrac.com>
Date:   Tue, 05 Aug 2014 18:30:29 +0800
Tag:    v3.2.0-beta

MDL-46682 auth/db: IN clause crashes when too many users to sync