Fixed table sorting, course filtering and error when assignment was deleted

• Request table is sorted again based on newest requests
• Courses could not be filtered
• Requests list showed error when assignment was deleted

Jenkins Build SUCCESS

Results available at: Jenkins [Queue #206]

By Jenkins on 2017-09-20T07:12:58 (imported from GitLab project)

By Jenkins on 2017-09-20T07:12:59 (imported from GitLab project)

added 1 commit

• f6128bce - Template updates

Compare with previous version

Jenkins Build SUCCESS

Results available at: Jenkins [Queue #208]

By Jenkins on 2017-09-20T07:26:00 (imported from GitLab project)

By Jenkins on 2017-09-20T07:26:00 (imported from GitLab project)

merged

By Otto Visser on 2017-09-21T15:03:40 (imported from GitLab project)

mentioned in commit 1062ba70

By Otto Visser on 2017-09-21T15:03:40 (imported from GitLab project)