Git commits in Moodle 2.7.8 by Mark Nelson

commit 86a79e2578fe5c40c353993f3e2e7283f1f95fb5
Author: Mark Nelson <markn@moodle.com>
Date:   Fri, 24 Apr 2015 07:23:47 +0800
Tag:    v2.7.8

MDL-49977 mod_assign: added missing page titles


commit 1a8400f5eb650c4465a6d4221d2e2c041193ac77
Author: Mark Nelson <markn@moodle.com>
Date:   Mon, 20 Apr 2015 13:42:25 +0800
Tag:    v2.7.8

MDL-49232 enrol_self: display continue button


commit c0ffc90640cc63fee8c4f92dd39bc32e25693847
Author: Mark Nelson <markn@moodle.com>
Date:   Fri, 17 Apr 2015 08:03:45 +0800
Tag:    v2.7.8

MDL-48187 core_course: use updated '$grade_item'


commit ba8240b429589cf8fff6e39932bb7d6faef27aa8
Author: Mark Nelson <markn@moodle.com>
Date:   Sat, 28 Mar 2015 07:50:32 +0800
Tag:    v2.7.8

MDL-49695 tool_behat: fixed URL


commit 412b144b98d88f9394a580288a3049866c999882
Author: Mark Nelson <markn@moodle.com>
Date:   Tue, 24 Mar 2015 07:58:19 +0800
Tag:    v2.7.8

MDL-49645 core_backup: fixed 'expirythreshold' setting not being saved


commit b71319ecff2aa409588fb808ef7116a88a88d2c0
Author: Mark Nelson <markn@moodle.com>
Date:   Thu, 05 Mar 2015 16:29:25 +0800
Tag:    v2.7.8

MDL-49359 install: warn against using MyISAM