Adds a playground for demonstrating the making of an interactive document.
Adds an initial draft of the interactive playground blog post.
Adds an image and a paragraph concerning playground package contents.
Changes image reference to package contents png.
Finishes rough draft of second section in playground blog.
Adds inline code snippet for .swift files.
Adds missing apostrophe.
Removes apostrophe by revising sentence.
Adds an image and some text regarding contents.xcplayground.
Adds contents.xcplayground photo.
Adds photo for real.
Adds another section on starting documentation.
Adds a section on CSS.
Completes blog post on playgrounds and adds final product image.
Replaces matt's info with placeholders.
Adds a final teaser paragraph to conclusion.
Revises post.
Merge pull request #1 from bignerdranch/playgrounds-mm

Playgrounds as Interactive Documents