Displays clickable list of issues that each open in new page. Test passes.

@oliverbarnes : Issue titles are displayed in /issues in a list. The titles are hyperlinked to the individual issue page (e.g. /issues/1) which displays the title and description of the issue.

Do you want this, or do you want the issue to open up under the title as an expandable text when the user clicks on the title?
Am I supposed to check that the other issue descriptions don't appear when one particular issue is clicked? That's what I was trying to do here, i.e. ensure that only the titles of the other issues are displayed, but if it's not necessary then I'll remove it.