Author: Paul Nicholls
MDL-42190 workshop: Add the ability to delete submissions
A new capability is introduced to control this, granted to teacher/admin
roles by default: mod/workshop:deletesubmissions. Additionally, students
can delete their own submissions if they are currently able to edit them.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=deabe48bc5d38d36eed96c676e91afb6c8fc21e0
http://github.com/moodle/moodle/commit/deabe48bc5d38d36eed96c676e91afb6c8fc21e0
+ 3.1 en [deletesubmission,mod_workshop]
+ 3.1 en [submissiondeleteconfirm,mod_workshop]
+ 3.1 en [submissiondeleteconfirmteacher,mod_workshop]
+ 3.1 en [workshop:deletesubmissions,mod_workshop]