start building sports API.

Build empty '/api/sports' endpoint
Return sports
Add events endpoint
Add outcomes endpoint
Remove unused file
Karma scaffold for testing
Add text support
introduce some models and collections.

Introduce basic router,
Introduce sports client
Render sports
Show events WIP

Need to work out how to pass sport_id to an event
Add sport_id to event
Render outcomes
Clear views
Clear outcomes for sports action