Git commits in Moodle 1.5.x by exe-cutor

commit c6e8932e50bd8bae8c770cb8c2e5ca013a7e6285
Author: exe-cutor <exe-cutor>
Date:   Thu, 27 Apr 2006 19:48:25 +0800
Tag:    v1.5.4

Fixed a bug that was not yet merged for stable version

commit 9fa1dad004c22b610d6cec768920cb0856a7743f
Author: exe-cutor <exe-cutor>
Date:   Thu, 02 Jun 2005 22:34:22 +0800
Tag:    v1.5.0

Adapted Shibboleth authentication to new field lock/update mechanism by Martin