Author: Gilles-Philippe Leblanc
MDL-31708 wiki: Wiki 2.0 non-group member can see edit option in navigation block
http://git.moodle.org/gw?p=moodle.git;a=commit;h=033e8461abb2ea984269c75ffb36e5ff3969f617
http://github.com/moodle/moodle/commit/033e8461abb2ea984269c75ffb36e5ff3969f617
+ 2.4 en [cannoteditpage,mod_wiki]
+ 2.4 en [cannotviewpage,mod_wiki]