Up and running with roots. Add Swiper submodule.

- Activate live reload in Gruntfile.js
- Deactivate bootstrap nav in lib/config.php
- Create front-page.php template and base-front-page.php extention
- Add Swiper submodule to assets/js/plugins/Swiper
Add rough draft of desktop header.

- First draft of header.
  - Very rough, will need refactored.
  - Bootstrap / Saas idioms probably not followed. Need to look into this.
- Need to improve for smaller screen sizes.