Add common components
Remove temp. callout component
Merge pull request #346 from moneyadviceservice/fix_components

Add common components
Return empty description if there are no metatags
Merge branch 'bug-no-metatags'
Remove some old unused VCR cassettes.
Convert article viewing feature to use VCR.
Update SEO feature which also uses now modified article steps.
Merge pull request #349 from moneyadviceservice/article-feature-vcr

Update article viewing feature to use vcr
Add basic components to styleguide
Add basic styling
Remove mini-heading
Add components to static guide
Update markup and css to achieve responsive layout
Change 2 column categories to single columns
Move related links stylesheets to the correct directory
Remove styling from lists
Add unstyled-list to CMS directory
Remove underscores from manifest files
Rename layout element of the hr