Fixed the category api

- A product's category is now set based on the product selected from the Semantics3 api.

Closes #12
template update
template
small update to template
updated layout, still getting assertion error on post
index title update, favicon, reviews somewhat working
server.js changes for favicon
updated index
copied copy from mockup
more cosmetic changes
Merge pull request #16 from SimpleReviews/prod-reviews

Prod reviews