Author: Ryan Wyllie
MDL-64821 mod_forum: add templates for modern display mode
http://git.moodle.org/gw?p=moodle.git;a=commit;h=7255378b0a7f22bc17ec032ec6a6cc5ed7f4fb12
http://github.com/moodle/moodle/commit/7255378b0a7f22bc17ec032ec6a6cc5ed7f4fb12
+ 3.8 en [actionsforpost,mod_forum]
+ 3.8 en [attachmentnameandfilesize,mod_forum]
+ 3.8 en [authorreplyingprivatelytoauthor,mod_forum]
+ 3.8 en [authorreplyingtoauthor,mod_forum]
+ 3.8 en [unreadpost,mod_forum]