First stab at all style guide pages.
Add steps example to style guide
Add scss-lint and fix lint errors
Refactor CSS

Set up base styles and components
Remove govuk_static files

No longer needed as code has been moved into base and components
Refactor tables css
Update comments in gov-elements.scss

indicate which files we have replaced and not yet using
Update breadcrumbs

Add arrow images and add to component library
Add buttons and forms to govuk elements page
Update layout demo page
Improve style guide homepage.
Update article content to include more components
Set content width on article page
Fix ie6 bug

border-left in info-notice was causing the following text to be
unreadable as left indented.
Add colour variables
Fix wrapping issues
Remove line breaks
Update sass, sass-rails, scss-lint. Peg sprockets
Remove Grunt, add file spec to scss-lint config
Remove duplication from style guide page titles