Duplicate lists into placeholders scss file.
Refactor editorial lists into lists.scss and out of component and placeholders.
Add vertical rhythm to the header.
Add new colours to the navigation bar.
Add vertical rhythm to the footer.
Add vertical rhythm to the typography.
Add default font stack.
Add minor styling to styleguide navigation.
Clean up navigation code.
Correct misalignment with default list style.
Add baseline to editorial components.
Remove height on footer-social-links.
Merge branch 'master' into feature/baseline

Conflicts:
	app/assets/stylesheets/lib/_placeholders.scss
	app/assets/stylesheets/lib/_variables.scss
Merge pull request #25 from moneyadviceservice/feature/baseline

Implement a baseline grid and vertical rhythm