Git commits in Moodle 1.9.9 by Andrew Davis

commit a4bc9693af8afa1847d1e776558074eb9fa3dc3c
Author: Andrew Davis <andrew@affinitysoftware.net>
Date:   Fri, 16 Apr 2010 15:48:15 +0800
Tag:    v1.9.9

unit tests MDL-22017 made test_usergetdate() work on machines in different timezones

commit 192dcd88713106d9595903f4d492f1dd2bc11bf9
Author: Andrew Davis <andrew@affinitysoftware.net>
Date:   Fri, 16 Apr 2010 12:38:03 +0800
Tag:    v1.9.9

gradebook MDL-21218 made overview report respect display hidden items default correctly