Create custom get route to visitors#get_session
Create get_session method in Visitors Controller
- The method will first check to see if the visitor already has a session id
- If they do, the method will prepare a json object will session, latitude, longitude, and an array of the visitor's artist preferences by seat geek artist id
- Returns the json object
Refactor Visistors Controller for readability
- Also got rid of comments and test code
Remove to_json from Visitor::check_session method
Add AJAX GET request when page loads to query visitor information
Merge pull request #60 from spring-peepers-2014/Redis

Add AJAX GET request to query visitor info when page loads