If there is no Internet connection the app will load the table from the DB
If there is Internet connection it will clear the DB and repopulate from Yelp API call

Cleaned up code

Added conditions for handling responses in the Location and YelpAPI helpers

Added condition to handle whether or not there is Internet connection in the results controller
Merge pull request #13 from mjafshar/loading_from_cache

If there is no Internet connection the app will load the table from the ...