Git commits in Moodle 1.9.18 by Dan Poltawski

commit a2624c32c22c04eb1eb7f5f27f4d280a728f6912
Author: Dan Poltawski <dan@moodle.com>
Date:   Thu, 19 Apr 2012 17:51:51 +0800
Tag:    v1.9.18

weekly release 1.9.17+

commit 0bbd0453290340a12439e53cfa18352dafcb3f3b
Author: Dan Poltawski <dan@moodle.com>
Date:   Thu, 12 Apr 2012 13:22:59 +0800
Tag:    v1.9.18

weekly release 1.9.17+

commit a30670f7b193292904ffbb858c641fdcaa997235
Author: Dan Poltawski <dan@moodle.com>
Date:   Thu, 29 Mar 2012 12:20:37 +0800
Tag:    v1.9.18

Revert "MDL-31746 calendar: insufficient parameter cleaning"

commit 2763a7d713bb250fd7b359667ae702024f010690
Author: Dan Poltawski <dan@moodle.com>
Date:   Wed, 28 Mar 2012 14:46:42 +0800
Tag:    v1.9.18

Revert "MDL-31746 calendar: insufficient parameter cleaning"

commit 7d20a8a05c4a2328a7294874e1bd436c37f9cb8f
Author: Dan Poltawski <dan@moodle.com>
Date:   Mon, 26 Mar 2012 23:11:30 +0800
Tag:    v1.9.18

Revert "MDL-31746 calendar: insufficient parameter cleaning"