Git commits in Moodle 2.8.x 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

commit bd8926f9f3cb8352e1f27bf9feb7f252b54bd5c9
Author: Tony Levi <tony.levi@netspot.com.au>
Date:   Wed, 21 Jan 2015 18:54:26 +0800
Tag:    v2.8.4

MDL-49110 behat: Do not poll within spin for non-javascript mode

commit 846711d69fafcf5fce68ea739331d831af9e71ff
Author: Tony Levi <tony.levi@netspot.com.au>
Date:   Tue, 06 Jan 2015 08:12:05 +0800
Tag:    v2.8.4

MDL-48924 backup: Fix some get_file_packer() calls for enabletgzbackups

commit 13dfdb0b5f2b30a02fbc37769aa85712584d2c45
Author: Tony Levi <tony.levi@netspot.com.au>
Date:   Sun, 07 Dec 2014 20:51:22 +0800
Tag:    v2.8.2

MDL-48517: behat: Fix reset ordering reversal (MDL-48302)