Git commits in Moodle 2.4.4 by Andrew Davis

commit 0f60e9fe539e6fe3e88b5edec5e15c2931697cfa
Author: Andrew Davis <andrew@moodle.com>
Date:   Mon, 29 Apr 2013 10:15:08 +0800
Tag:    v2.4.4

MDL-32913 core_grade:made it more obvious when the gradebook is broken due to a broken calculation

commit 501afed36a3e169f5b983b4e0dafb633c2f98608
Author: Andrew Davis <andrew@moodle.com>
Date:   Sun, 21 Apr 2013 15:30:13 +0800
Tag:    v2.4.4

MDL-31713 core_grade: added updating of grade min and max to update_final_grade()

commit e4f7ad5d55e31a806b95e88b654e0397ec5cf45a
Author: Andrew Davis <andrew@moodle.com>
Date:   Fri, 19 Apr 2013 21:25:18 +0800
Tag:    v2.4.4

MDL-31713 core_grade:added a unit test to replicate a raw grade max bug

commit 9ffffa5ec7f83f2f2a0f047ec071c6a7d33d8816
Author: Andrew Davis <andrew@moodle.com>
Date:   Fri, 12 Apr 2013 11:59:08 +0800
Tag:    v2.4.4

MDL-35385 mod_chat: made sure no message popups display within the chat window

commit 166102e9b3b808311063584cc4ebd4b3f4070e90
Author: Andrew Davis <andrew@moodle.com>
Date:   Wed, 10 Apr 2013 08:28:05 +0800
Tag:    v2.4.4

MDL-29877 core_grade:add some upgrade code to fix broken grade items introduced by bad restores

commit 4b280ca67972479b4b86dd8861bcbeb8c06e41f9
Author: Andrew Davis <andrew@moodle.com>
Date:   Tue, 05 Mar 2013 12:00:59 +0800
Tag:    v2.4.4

MDL-37475 core_grade:fixed the handling of show totals