Creation of initial application structure and build system configuration

Not much of particular concern here, just the initial structure and configuration for the application.

I've gone with a parallel test directory instead of the usual side-by-side as I feel it will be easier to manage, and the build system and test runner will handle most of the heavy lifting here anyway.

The project is using Sass with Bourbon + Neat rather than the usual LESS/Bootstrap combo, I think it makes for a less crufty set of styles while retaining many productivity enhancing features.

Have a nice day! The real stuff will be coming through either the end of this week or the beginning of the next.