Author: Gilles-Philippe Leblanc
[MDL-31708] - wiki 2.0 non-group member can see edit option in navigation block.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=ebadb9b9a674f5e91ddb7460ea3f9dafc6c34523
http://github.com/moodle/moodle/commit/ebadb9b9a674f5e91ddb7460ea3f9dafc6c34523
+ 2.3 en [cannoteditpage,mod_wiki]
+ 2.3 en [cannotviewpage,mod_wiki]