Author: Dongsheng Cai
MDL-26392, nwiki and creole format wiki pages should support file attachments
http://git.moodle.org/gw?p=moodle.git;a=commit;h=0c5e812ba7c43856b5193f03b75a3f7a3d51d686
http://github.com/moodle/moodle/commit/0c5e812ba7c43856b5193f03b75a3f7a3d51d686
+ 2.0 en [formatcreole_help,mod_wiki]
+ 2.0 en [formatnwiki_help,mod_wiki]