Merge pull request #12 from Alphabat/feat

(Feat) Implement basic node server and mongo database
(fix) Add instructions for running the app
feat: added oauth to server's package.json file (need module for yelp api)
(feat) Adds the yelp api feature. Your api credentials will be stored in
authConfig.js, create yelp object constructor in yelp.js,
create a request handler for get requests to /cafe which will query yelp api and
return a JSON object with business names, locations, and ratings
Merge pull request #21 from ASwitlyk/feat/yelp-api

add yelp constructor to server and handle get requests to /cafe by returning yelp query results
Added log in button and ng-controller to handle log in