Git commits in Moodle 1.8.11 by Sam Hemelryk

commit ebcd41cac2cd82bc1a19d7ff1be0880130b996c8
Author: Sam Hemelryk <sam@moodle.com>
Date:   Tue, 24 Nov 2009 12:03:35 +0800
Tag:    v1.8.11

upgrade MDL-20933 Fixed warning if get_records_sql returned false rather than an array

commit 993c4fe32cc25a4d03a729bfc44112417a5e5e33
Author: Sam Hemelryk <sam@moodle.com>
Date:   Mon, 23 Nov 2009 16:13:52 +0800
Tag:    v1.8.11

upgrade MDL-20937 Only force admins to change password if auth=manual or email

commit ac5058208be8c6c69f9765e0b17d966ec4781d84
Author: Sam Hemelryk <sam@moodle.com>
Date:   Fri, 20 Nov 2009 16:16:46 +0800
Tag:    v1.8.11

upgrade MDL-18807 Fixed bug with html been emailed as plain text

commit f05b8d8bbc89863151a3c61992985e9295368d25
Author: Sam Hemelryk <sam@moodle.com>
Date:   Wed, 18 Nov 2009 17:47:22 +0800
Tag:    v1.8.11

security MDL-18807 Changed language strings: Thanks for the new strings Helen

commit f15d29f08dc898bea1a4b645c4341ae1714afca9
Author: Sam Hemelryk <sam@moodle.com>
Date:   Wed, 18 Nov 2009 11:46:16 +0800
Tag:    v1.8.11

security MDL-18807 MDL-20853 Backported recent security chanrs to 1.8