Git commits in Moodle 2.2.4 by Andreas Grabs

commit 90e0da6f758e0cc8608702093fc5b0db72100a1b
Author: Andreas Grabs <moodle@grabs-edv.de>
Date:   Fri, 22 Jun 2012 03:57:47 +0800
Tag:    v2.2.4

MDL-33932_22 - added array_unique()

commit c6fbd0c8bf606d9fbf50bcd0aa5e5995280f23c7
Author: Andreas Grabs <moodle@grabs-edv.de>
Date:   Sun, 10 Jun 2012 02:30:04 +0800
Tag:    v2.2.4

MDL-33627 - feedback block now show all feedbacks

commit bac1415a0bdf5b9a69debecd7c8e559c4d8d0924
Author: Andreas Grabs <moodle@grabs-edv.de>
Date:   Thu, 07 Jun 2012 05:16:54 +0800
Tag:    v2.2.4

MDL-27675 - Feedback module abuses data_submitted

commit 64258fa070d17bacc2c173e3b50004dd4529ef7d
Author: Andreas Grabs <andreas.grabs@eledia.de>
Date:   Tue, 22 May 2012 15:00:02 +0800
Tag:    v2.2.4

MDL-27675 - Feedback module abuses data_submitted