move snippets into source control just in case plunkr ever blows up
Merge branch 'source' of github.com:mbriggs/mbriggs.github.io into source

* 'source' of github.com:mbriggs/mbriggs.github.io:
  rails doesn't add up
  fix wording
  rework a paragraph
  new post
  move snippets into source control just in case plunkr ever blows up