Using jekyll to build the site + a number of tutorials
Finishing lazy loading tutorial and examples
Finishing responsive module tutorial.
Fixed tutorial navigation and demo links

- Corrected the back/next links in each tutorial
- Created a pull-out box in each tutorial linking to their respective
  demo pages
- Reordered the tutorials
- Added "intro"s to each tutorial
Style and indentation fixed
Integrating pollyfills with Foundry
Added unit testing tutorial.
Added links to missing tutorials in menu.
Final URL changes and pages.
Removing old version of Foundry. Using newest version.
Responsive design.
Removed unused sitemap
New version of foundry. Fixed tutorials.
Major rework of docs