Author: Rajesh Taneja
MDL-23520 mod-wiki-2.0: Added delete page and version feature as it was in 1.9
http://git.moodle.org/gw?p=moodle.git;a=commit;h=ac0a82cf92d7cb9cec397f8d0d37a0f3599b31b7
http://github.com/moodle/moodle/commit/ac0a82cf92d7cb9cec397f8d0d37a0f3599b31b7
+ 2.2 en [admin,mod_wiki]
+ 2.2 en [adminmenu,mod_wiki]
+ 2.2 en [deleteversions,mod_wiki]
+ 2.2 en [incorrectdeleteversions,mod_wiki]
+ 2.2 en [listall,mod_wiki]
+ 2.2 en [listorphan,mod_wiki]
+ 2.2 en [removepages,mod_wiki]