Small UI fixes for queue;

• upgraded to bootstrap 4 beta 2
• pagination for staff page fixed
• requests table is now 100% width
• some other small stuff

Jenkins Build SUCCESS

Results available at: Jenkins [Queue #336]

By Jenkins on 2017-11-07T15:56:52 (imported from GitLab project)

By Jenkins on 2017-11-07T15:56:52 (imported from GitLab project)

merged

By Otto Visser on 2017-11-08T10:08:05 (imported from GitLab project)

mentioned in commit 29bd06dd

By Otto Visser on 2017-11-08T10:08:06 (imported from GitLab project)