Git commits in Moodle 1.6.7 by pichetp

commit 7f33aa0cd42ee76b3a7ada51ec71ff6d0b19955a
Author: pichetp <pichetp>
Date:   Tue, 11 Mar 2008 06:58:20 +0900
Tag:    v1.6.7

MDL-12503 Loguniform  merging from head