Adds a .u-inline-block mixin.
Fixes some accessibility with icon-only links by adding more descriptive text for screen readers; also updates some docs for lists.
Merge branch 'gh-pages' of github.com:cfpb/cfgov-refresh into gh-pages
Clarify inline-block mixin note.
Merge pull request #18 from himedlooff/gh-pages

Small PR enhancing icon-only links and adding an inline block utility
Converts media query usage.
Renames vars to media-queries and updates mq docs.
Updates bp for post img.
Updating mq docs.
Adds link utilities.
Adds focus state and updates docs.
Fixes focus state on border utility and updates docs.
Makes post previews clickable, adds child link utilities.
Updates media block to be display block, updates post-preview example with thumbnail.
Updates post preview examples to use link block.
Merge pull request #19 from himedlooff/mq

Updates media query usage.
Changes active state in mixin.
Updates cat slug hover color.
Make .summary block by default.
Consoilidates the u-link-child__hover mixin.