add the basic requirements of the API request and callback function. has empty arrays to input origins and destinations arrays from user input. basically everything pulled from the google distance matrix api docs.
Merge branch 'master' of https://github.com/kizzle102/EffErrands into api
Add dotenv gem to manage environment variables. Require Unirest.  Add get api request to server.rb. api request. api request sends encoded url to unirest. receives data back to parse. put data in an array of hashes to send through the routing algorithm
Merge pull request #4 from liliserf/api

Api