Add preorder link
Add overlay button for preorder checkout
Move script
Preorder content

- added description and sizing chart link
- added button to bring up preorder overlay
- updated a few styles
Add meta tags to header
Add Sadarghat popover image
Add Product page for Sadarghat popover
Add author meta tag
Merge pull request #64 from ohsk/gh-pages

Updating product pages to be preorder-ready!