Git commits in Moodle 2.9.0 by Skylar Kelty

commit bf5eebe8f856b2f5820992aff438e6ff338147c2
Author: Skylar Kelty <S.Kelty@kent.ac.uk>
Date:   Wed, 15 Apr 2015 22:07:22 +0800
Tag:    v2.9.0-rc1

MDL-49878 block_settings: Only count visible children

commit 6a5681db1bfbaf30ee56f87503ea2207eb2dbda9
Author: Skylar Kelty <S.Kelty@kent.ac.uk>
Date:   Mon, 16 Mar 2015 17:22:53 +0800
Tag:    v2.9.0-beta

MDL-49489 caching: Prevent full coursecontact purge