Git commits in Moodle 2.8.6 by Tony Levi

commit 8e602172ff982912a4333ce3552af07e456bb2b7
Author: Tony Levi <tony.levi@netspot.com.au>
Date:   Thu, 05 Mar 2015 09:07:21 +0800
Tag:    v2.8.6

MDL-49395 accesslib: Make get_suspended_userids more efficient


commit fd7dd8f2379ee6c4c2db4e3836506f972854b711
Author: Tony Levi <tony.levi@netspot.com.au>
Date:   Wed, 25 Feb 2015 12:50:30 +0800
Tag:    v2.8.6

MDL-49294 logging: Cleanup runs in smaller chunks