Author: Mihail Geshoski
MDL-75837 gradereport_user: Update zero state strings
http://git.moodle.org/gw?p=moodle.git;a=commit;h=f439a3fa9a44b33ec36ad6f2ab2428ad8fd219f6
http://github.com/moodle/moodle/commit/f439a3fa9a44b33ec36ad6f2ab2428ad8fd219f6
+ 4.1 en [userreportdesc,gradereport_user]
+ 4.1 en [userreports,gradereport_user]
- 4.1 en [selectuser,gradereport_user]
- 4.1 en [selectuserinstructions,gradereport_user]