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=d0d121acb7d2ffada692eed091a733bb83af7227
http://github.com/moodle/moodle/commit/d0d121acb7d2ffada692eed091a733bb83af7227
+ 2.2 en [cannoteditpage,mod_wiki]
+ 2.2 en [cannotviewpage,mod_wiki]