Edited readme
Adding a testroute do the routes database
better javascript undefined check
added query to find all routes in database starting at given spot.
This call now returns the routes starting with spot_id
Routes can now be get by ID, and the routes.js file has been cleaned up.
Show nearby spots in a table
Show routes for a given nearby spot.
API function routes/:id added

returns information about that route, including detailed information of
all spots on that route in the right order.
Changed commentary style; updated names of callback functions
Merge branch 'dev' of https://github.com/oSoc13/Cityroute into dev