See #67
Merge pull request #111 from haf/patch-1

See #67
Improve formatting of code example

* Puppet syntax highlighting
* Double-spaced indentation
* Aligned instances of =>
* Quoted strings
* Single-quoted some unnecessarily double-quoted strings
* Removed comma from the last variable
Merge pull request #110 from 3flex/patch-1

Improve formatting of README code example