Git commits in Moodle 2.4.8 by Mark Nelson

commit 309481dde08f0836f6aa5ed6c1853016553c9801
Author: Mark Nelson <markn@moodle.com>
Date:   Sat, 30 Nov 2013 06:25:45 +0800
Tag:    v2.4.8

MDL-43140 mnet: display header after redirects to avoid warning

commit e7698992b76fd912276e5746cb06597b66b815f7
Author: Mark Nelson <markn@moodle.com>
Date:   Sat, 30 Nov 2013 06:12:09 +0800
Tag:    v2.4.8

MDL-43142 mnet: fixed typo in variable passed to get_string

commit 8fb24d2b435852865c72a2b2f508e6dea5d7da87
Author: Mark Nelson <markn@moodle.com>
Date:   Thu, 14 Nov 2013 09:25:48 +0800
Tag:    v2.4.8

MDL-42547 tool_uploaduser: trim values before uploading users