* Move ApiController to Api/BaseController
* API controllers inherit from Api::BaseController
* Add coverage for various error cases in api/base controller
resources that require a user context vs those that don't (such as public timeline)
/api/v1/statuses/public -> /api/v1/timelines/public
/api/v1/statuses/home -> /api/v1/timelines/home
/api/v1/statuses/mentions -> /api/v1/timelines/mentions
/api/v1/statuses/tag/:tag -> /api/v1/timelines/tag/:tag
POST /api/statuses Params: status (text contents), in_reply_to_id (optional)
GET /api/statuses/:id
POST /api/statuses/:id/reblog
GET /api/accounts/:id
GET /api/accounts/:id/following
GET /api/accounts/:id/followers
POST /api/accounts/:id/follow
POST /api/accounts/:id/unfollow
POST /api/follows Params: uri (e.g. user@domain)
OAuth authentication is currently disabled, but the API can be used with HTTP Auth.