Main acceptance criteria(s): When a wiki admin disables the highlight of links to nonexistent pages, then the creole links to nonexistent will appear in the same color as any other link.
- Disable link highlighting in System Settings (should be disabled by default)
- Create wiki page 1 and add a link [[test]] in the content field
- View wiki page 1
- Assert link is in the normal color (blue)
- Click on link and assert the page article is created (title is test) and loaded with empty content ready to be written