[vendor] add chroma.js for color interp
Change background color over up and down movement
Merge pull request #16 from nko4/sjs/viewport-color

Change background color over up and down movement
Add initial marketing site roots project.
Refactor usage of require.js

So we can use Backbone without having to get the
AMD compatible versions of jquery, lodash and backbone,
just include these files directly
Generic backbone / template config [WIP]