Compatibility for moodle 3x

[TRMSC]

Changing status and giving feedback isn't possible in moodle 3x until now because the trigger for finding out if the user has rights for editing is another. This should be fixed soon.

[TRMSC]

This javascript part should fix the problem:
https://github.com/TRMSC/moodle-ticketsystem-database-template/blob/compatibility-for-moodle3x/jstemplate.js

Merging the corresponding pull request will come after some more tests and compiling.