Git commits in Moodle 2.3.x by Sun Zhigang

commit 8b3d60557c062bb332058abc8765ddd8ebfa9b98
Author: Sun Zhigang <sunner@gmail.com>
Date:   Tue, 22 May 2012 19:36:50 +0800
Tag:    v2.3.1

MDL-31201 wiki: fix a hardcoded string

commit 4714f5323a62ff0233c0bea637f6100c7be82ac8
Author: Sun Zhigang <sunner@gmail.com>
Date:   Tue, 22 May 2012 19:22:12 +0800
Tag:    v2.3.0-beta

MDL-33035 workshop: typo in strings

commit 1ab8cd2e1cecb0c605dd0a2976ecf1eb51649d7b
Author: Sun Zhigang <sunner@gmail.com>
Date:   Mon, 26 Sep 2011 09:08:05 +0800
Tag:    v2.3.0-beta

MDL-29523 filemanager: Fix a hardcode string

commit 7073fa4c4af8fdd5c68866f156a9f8c031f7f5a2
Author: Sun Zhigang <sunner@gmail.com>
Date:   Sat, 02 Jul 2011 18:41:26 +0800
Tag:    v2.3.2

MDL-28155 mod_assignment - Fix an ugly hack