Layout for index.html.  TODO: Start css and js. Populate html files with mock data.
Update cart.html
Update cart.html

Notes: 
1. Longitude and Latitude must be converted to address. 
2. Must add "send to a friend" and "like" options.
Update README.md
Update README.md
Update cart.html
Base index page with mock search feature
First version of home page
Clean up index.html some more
Add properties to base and add cart_ad model
Improve readability of js code
Add features for collections and add photos in gridfs
Add layout.html base template
runserver now has command line options.  incorporated changes into templates.
Add property for carts to get list of reviews
Merge branch 'master' of github.com:stuycs-softdev/proj3-7-cartwheels