Git commits in Moodle 2.9.4 by Russell Smith

commit a17167118aae1b83a1a333df9d47b2e1dad36e43
Author: Russell Smith <mr-russ@smith2001.net>
Date:   Thu, 03 Dec 2015 16:09:26 +0800
Tag:    v2.9.4

MDL-52402 backup, quiz: Fix attempt token and add missing rule.

commit 7361129133e13cdbdead26f52804c03605854821
Author: Russell Smith <mr-russ@smith2001.net>
Date:   Thu, 03 Dec 2015 16:08:09 +0800
Tag:    v2.9.4

MDL-52402 backup: Improve debugging output on failed log restores

commit 62f2a0d05a2a72568b3f0b12fe6b1f59f283d5c8
Author: Russell Smith <mr-russ@smith2001.net>
Date:   Mon, 16 Nov 2015 09:50:55 +0800
Tag:    v2.9.4

MDL-52141 backup: Ensure we don't alter the log record when parsing it.

commit 5afb2e2601363be033586672d013a292ddc5da34
Author: Russell Smith <mr-russ@smith2001.net>
Date:   Mon, 16 Nov 2015 09:14:43 +0800
Tag:    v2.9.4

MDL-50700 gradereport_overview: Call $PAGE->set_course