Add migrations to save Foursqaue id and location data into Restaurant model
	- setup hstore to save the location data has hash in restaurant model
	- add foursquare_id to restaurant model to make sure there is no duplication in model
Add migration for latitude and longitude in model
	- this will work with Geocoder Gem
Add Geocoder gem to calculate distance and find nearby restaurants
  - save restaurants with data from Foursquare API
  - Update saved sql design for updated database design
Add feature Test for adding data on new restaurant in database