Issue 65 - Ability to select a rule to ignore from result - css / html
Write the back-end for rule ignoring
Change ignore rules in results to come from mainResult
Fix the ignore buttons for readonly/result pages
Fix typo
Add "unigore" buttons to ignored rules
Amend styles for ignore button
Merge branch '65-ignore-rule-shortcut' of github.com:nature/pa11y-dashboard into develop

Conflicts:
	public/css/site.min.css