Author: Aparup Banerjee
MDL-28724 wiki : Fixed bugs in wiki forms
http://git.moodle.org/gw?p=moodle.git;a=commit;h=1fc6a6046ade685e419d186665be65964c9d8b00
http://github.com/moodle/moodle/commit/1fc6a6046ade685e419d186665be65964c9d8b00
+ 2.0 en [deletecommentcheck,mod_wiki]
+ 2.0 en [deletecommentcheckfull,mod_wiki]