Author: Ryan Wyllie
MDL-64821 mod_forum: add in page reply to modern display mode
http://git.moodle.org/gw?p=moodle.git;a=commit;h=38d96b6540b4da635c46c82cb62dc3e8e4686b28
http://github.com/moodle/moodle/commit/38d96b6540b4da635c46c82cb62dc3e8e4686b28
+ 3.8 en [cancelreply,mod_forum]
+ 3.8 en [replyauthorself,mod_forum]
+ 3.8 en [replyingtoauthor,mod_forum]