Git commits in Moodle 1.9.10 by Sam Marshall

commit 302b1c4becd6b4be5bf46f1bf7a9044e7605d057
Author: Sam Marshall <s.marshall@open.ac.uk>
Date:   Mon, 11 Oct 2010 23:57:17 +0800
Tag:    v1.9.10

accessibility MDL-24163 Change to accesshide definition to avoid rare Safari/VoiceOver crashes

commit 2780a3f5fc1532f94e938b8b8181f0d5a50367aa
Author: Sam Marshall <s.marshall@open.ac.uk>
Date:   Thu, 19 Aug 2010 22:06:03 +0800
Tag:    v1.9.10

blocks MDL-23871 blocks_have_content ignores global block visibility option