Author: Andrew Davis
MDL-31460 mod_forum: added some controls to mod/forum/unsubscribeall.php to prevent the removal of subscriptions the user shouldnt be able to delete
http://git.moodle.org/gw?p=moodle.git;a=commit;h=cd2b7304893eed3cafaed10057c9f8c6f8d804fa
http://github.com/moodle/moodle/commit/cd2b7304893eed3cafaed10057c9f8c6f8d804fa
+ 2.2 en [nownotsubscribed,mod_forum]
+ 2.2 en [nowsubscribed,mod_forum]
+ 2.2 en [subscribeenrolledonly,mod_forum]
+ 2.2 en [unsubscribealldone,mod_forum]
+ 2.2 en [unsubscribeallempty,mod_forum]