Git commits in Moodle 1.7.5 by dongsheng

commit 7d8c97dcc4b7b68a45a7ba70e04fc6a378cf528d
Author: dongsheng <dongsheng>
Date:   Fri, 11 Jul 2008 12:56:38 +0800
Tag:    v1.7.5

MDL-14932, improve accessibility in role assigning page.

commit ca0908b96175b08f41d1a78e9181b8c626e48350
Author: dongsheng <dongsheng>
Date:   Tue, 15 Apr 2008 11:37:26 +0800
Tag:    v1.7.5

check.gif should keep in this mod

commit d40e15ee7aa90cbfc6b8bca21dcda55623023c58
Author: dongsheng <dongsheng>
Date:   Tue, 15 Apr 2008 11:33:05 +0800
Tag:    v1.7.5

MDL-8188, moved from mod/glossary/check.gif

commit 207c5454b9b9938aeebc162da6cb79d0a5f2835f
Author: dongsheng <dongsheng>
Date:   Tue, 15 Apr 2008 11:31:56 +0800
Tag:    v1.7.5

MDL-8188, move check.gif to pix/i/approve.gif