Git commits in Moodle 1.9.16 by Rossiani Wijaya

commit 5d72721e5c8cb6f84e7514d084c1dabb90c0155f
Author: Rossiani Wijaya <rwijaya@moodle.com>
Date:   Tue, 13 Dec 2011 13:37:40 +0800
Tag:    v1.9.16

MDL-20198: wiki module: extend Dong's patch to fixed grouping access to view/edit wiki..

commit 4866f01b4a0861a4c07c532acfa2fc95876edbfc
Author: Rossiani Wijaya <rwijaya@moodle.com>
Date:   Tue, 13 Dec 2011 13:34:47 +0800
Tag:    v1.9.16

MDL-20198: wiki module: fixed grouping access in wiki. Credit goes to Dong Kim(kimx0794@umn.edu).