Git commits in Moodle 2.3.0 by Jonathon Fowler

commit 0eefca3b66ba6f07fb67e1acd9a258aa867f73a1
Author: Jonathon Fowler <fowlerj@usq.edu.au>
Date:   Wed, 09 May 2012 09:51:18 +0800
Tag:    v2.3.0-beta

MDL-32863 question: fix for Oracle ambiguous column error

commit ef8c793d7447b10660ccb7d579cb86f807269ca5
Author: Jonathon Fowler <fowlerj@usq.edu.au>
Date:   Tue, 28 Feb 2012 12:53:47 +0800
Tag:    v2.3.0-beta

MDL-31804 duplicated columns cause Oracle error in grader report

commit 7da7bfa17dcbd47b9e12da539aa9ea088cb62028
Author: Jonathon Fowler <fowlerj@usq.edu.au>
Date:   Mon, 27 Feb 2012 13:25:40 +0800
Tag:    v2.3.0-beta

MDL-28364 handle question formats that support multiple file types

commit 2902edb4ecd2f9b6a53348a703ef81fbc74d3195
Author: Jonathon Fowler <fowlerj@usq.edu.au>
Date:   Thu, 12 Jan 2012 20:41:25 +0800
Tag:    v2.3.0-beta

MDL-31130 question bank: toggling show all / 20 per page broken.

commit 00f265c4d9cae30a3a641a99693fac8e71fcc64a
Author: Jonathon Fowler <fowlerj@usq.edu.au>
Date:   Thu, 12 Jan 2012 20:41:25 +0800
Tag:    v2.3.0-beta

MDL-31130 question bank: toggling show all / 20 per page broken.

commit 0cc24b84258f6a99a2b409772eb7a290032862f4
Author: Jonathon Fowler <fowlerj@usq.edu.au>
Date:   Wed, 30 Nov 2011 08:30:46 +0800
Tag:    v2.3.0-beta

MDL-30506 navigation: Hook for local plugins to extend the settings_navigation tree