Git commits in Moodle 1.8.9 by dongsheng

commit c917b1a1056c257d2d888be13d36dc1d2784df24
Author: dongsheng <dongsheng>
Date:   Mon, 06 Apr 2009 14:12:29 +0800
Tag:    v1.8.9

"MDL-6926, fix php notice and replace double quote with single quote to reduce memory usage, thanks, Anthony"

commit 5c18bc078d12f6ac5f5fc975cbaa145555d8907c
Author: dongsheng <dongsheng>
Date:   Fri, 20 Feb 2009 17:31:43 +0900
Tag:    v1.8.9

"MDL-18223, add a language string for spamcleaner"

commit f2a19d760163e0f0387ca78874178c703d5f52ad
Author: dongsheng <dongsheng>
Date:   Fri, 20 Feb 2009 16:38:53 +0900
Tag:    v1.8.9

"MDL-18223, backport spamcleaner to moodle 1.8"