Git commits in Moodle 3.0.0 by Sam Chaffee

commit 84ab39cf77d10bfe5b84678ca4874e43dd55342b
Author: Sam Chaffee <sam@moodlerooms.com>
Date:   Sat, 03 Oct 2015 01:28:15 +0800
Tag:    v3.0.0-beta

MDL-51514 gradebook: Optimize set_usedinaggregation query for MySQL


commit 5090d26b3a195223697fbd0ccf30bb07b4b00b42
Author: Sam Chaffee <sam@moodlerooms.com>
Date:   Wed, 02 Sep 2015 01:07:14 +0800
Tag:    v3.0.0-beta

MDL-50936 Atto: Add upgrade path for updating equations setting


commit 5222ab7f4b9c51a46ee1869f5a40176d3b354a8b
Author: Sam Chaffee <sam@moodlerooms.com>
Date:   Wed, 12 Aug 2015 00:42:08 +0800
Tag:    v3.0.0-beta

MDL-50947 mod_lti Add removed grade.php to upgrade_stale_php_files_present


commit 4180d9706b8d95ccaed89eb49a993c1111af441e
Author: Sam Chaffee <sam@moodlerooms.com>
Date:   Wed, 29 Jul 2015 07:20:55 +0800
Tag:    v3.0.0-beta

MDL-50947 mod_lti Remove deprecated grade.php