Adds `main` element.
Update README.md

What rake task actually are used for.
Merge pull request #33 from thomassjogren/patch-1

Update README.md
Merge pull request #31 from erunyon/gh-pages

Added Quick Tip for ARIA Landmark Roles
Adding :focus to contributors list so keyboard nav highlights each one as you tab through them.
Fix typo in title
Merge pull request #34 from ChrisNager/patch-1

Fix typo in title
Greater quoted attributes consistency

Quote "true" as well as "false" for aria-hidden attribute
Merge pull request #36 from rupl/contributor-focus

Add :focus styles to contributors list
Merge pull request #35 from daneden/patch-1

Greater quoted attributes consistency
Add title to Checklist page
Auto-update contributors list

Forgive my ignorance, but I’m not sure the contributors file needs to be static/manually updated. This seemed to work on my local copy.
Merge pull request #38 from OliverJAsh/gh-pages

Add title to Checklist page SEO++
Merge pull request #39 from daneden/patch-1

Auto-update contributors list
Update README.md

Clarifying rake server.
Use callback parameter for contributors JSON url

This should help resolve CORS issues
Add Gemfile
Merge pull request #41 from thomassjogren/patch-2

Update README.md
Further description for local server directions
Merge pull request #44 from OliverJAsh/feature/gemfile

Add Gemfile