Create a backend

[zuhairp]

Just need to define some endpoints, and then we have ourselves a backend!

[zuhairp]

Endpoints to implement:

• [x] /events/schedule.json Returns a list of events
• [x] /events/event/{event_id}/games.json Returns a list of games associated with an event. Will contain latest scores
• [x] /scores/games.json All games
• [x] /scores/games/{game_id}/scores.json All scores for a game
• [x] /events/locations/{location_id}.json Returns information about a location
• [x] /core/schools.json Returns list of schools
• [x] /core/schools/{school_slug}.json Returns information about a school, including all latest scores