Add article on vestibular disorders
Add example post
Add reference to sample-post.md
Merge branch 'gh-pages' of github.com:gtarnoff/a11yproject.com into gtarnoff-gh-pages

* 'gh-pages' of github.com:gtarnoff/a11yproject.com:
  Add article on vestibular disorders
A Primer To Vestibular Disorders
Merge pull request #189 from bryanstedman/gh-pages

[Issue #187] Add sample post file
Set rubygems source in Gemfile
Add author name for skip nav post
Merge pull request #192 from ckundo/add_skip_nav_author

Add skip nav author