Git commits in Moodle 1.8.3 by exe-cutor

commit baa0b3ceae8bfec81b1dd1af8bbc80e41d88a4f6
Author: exe-cutor <exe-cutor>
Date:   Wed, 03 Oct 2007 20:32:55 +0800
Tag:    v1.8.3

Removed requirement for email, givenname and surname attributes

commit ba1b4cd1ef082b5b5a76c028af39f36a4b3568f1
Author: exe-cutor <exe-cutor>
Date:   Wed, 11 Jul 2007 16:29:10 +0800
Tag:    v1.8.3

Got rid of warning messages

commit 21e00abf4251691f40f65f4f1026e707a505ee1e
Author: exe-cutor <exe-cutor>
Date:   Wed, 11 Jul 2007 15:58:57 +0800
Tag:    v1.8.3

Fixed a but that caused problems with usernames (shibboleth attribute) that contained uppercase letters