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=6b94a62ff8a85546c60a3163c6a4b4b4ed014115
http://github.com/moodle/moodle/commit/6b94a62ff8a85546c60a3163c6a4b4b4ed014115
+ 2.1 en [admin,mod_wiki]
+ 2.1 en [adminmenu,mod_wiki]
+ 2.1 en [deleteversions,mod_wiki]
+ 2.1 en [incorrectdeleteversions,mod_wiki]
+ 2.1 en [listall,mod_wiki]
+ 2.1 en [listorphan,mod_wiki]
+ 2.1 en [removepages,mod_wiki]