Enable token autenticatable
Add base controller that sets a default format and authenticates a player
Add basic players controller with index action only
Add Player API routes
Tests for players controller
Merge pull request #53 from joshmcarthur/feature/players-api

Feature/players api
Include gravatar URL in API responses
Hotfix players edit view
Require jbuilder gem
Set up Jbuilder templates to return minimal player data
Respond to JSON only
Add Game#complete scope
Add Games API
Merge pull request #54 from joshmcarthur/feature/jbuilder-api

Feature/jbuilder api
Merge pull request #55 from joshmcarthur/feature/games-api

Feature/games api
Optimize games controller
Handle challenger or challenged player being nil (i.e. player removed from database)
Include player's game count in player partial
Add /player endpoint for getting current player and validating auth token
Allow games returned from the API to be filtered by completion status