Git commits in Moodle 1.9.1 by sam marshall

commit 010758adb21c1011f46233074f5db80dc31faf98
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Tue, 21 Dec 2010 20:49:47 +0800
Tag:    v1.9.11

accessibility MDL-24613 Update previous change to fix back to 'top' for RTL languages

commit b085489d88c5f38ba42079547c5dffa643f63fad
Author: Sam Marshall <s.marshall@open.ac.uk>
Date:   Mon, 25 Oct 2010 19:22:31 +0800
Tag:    v1.9.11

files MDL-24841 Changed require to require_once in files/index.php so it doesn't break if libraries are required elsewhere

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

commit e246e032daee131e6efd0766bfdfd94cd01b7d0c
Author: sam_marshall <sam_marshall>
Date:   Thu, 24 Apr 2008 01:07:44 +0800
Tag:    v1.9.1

MDL-14497 Fixed several minor bugs in navmenu()

commit 0bd80872c5dd4dfccd76dae4b0db439516a548ae
Author: sam_marshall <sam_marshall>
Date:   Thu, 10 Apr 2008 20:08:28 +0800
Tag:    v1.9.1

doc comment change: improved comment on download_file_content to clarify $headers

commit f1d31dfee37ef0681beb3e64c32bc6792675f732
Author: sam_marshall <sam_marshall>
Date:   Wed, 26 Mar 2008 21:59:51 +0900
Tag:    v1.9.1

MDL-14051 Changed timeout behaviour for download_file_content so curl has a read timeout

commit c147575b6ca43d5f0e1924ac7232b2a8a9af241b
Author: sam_marshall <sam_marshall>
Date:   Fri, 14 Mar 2008 00:25:12 +0900
Tag:    v1.9.1

MDL-13915: Fixed add_to_log when very long url is specified (now doesn't try to insert more than 100 chars into database)