There should be a page similar to the single project page in that it just shows a single issue. That can be achieved with a slug in the URL. The issue should be editable directly from this page.
[x] "View" link on the issues overview page
[x] Issue should be editable
[x] Issue should be completable
[x] Clicking on an issue on the single project page should take you to this page rather than the issue pre-selected on the overview page
There should be a page similar to the single project page in that it just shows a single issue. That can be achieved with a slug in the URL. The issue should be editable directly from this page.