Git commits in Moodle 1.8.10 by dongsheng

commit e419bcd652ef3cdc5b0fceb5fec5ac097fbd49ff
Author: dongsheng <dongsheng>
Date:   Mon, 05 Oct 2009 15:32:47 +0800
Tag:    v1.8.10

"MDL-20422, check courses category before moving, hideing, showing courses, merged from 1.9"