Adding doorkeeper, adding a REST API

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.

Gemfile

@@ -27,6 +27,9 @@ gem 'ostatus2'
 gem 'goldfinger'
 gem 'devise'
 gem 'rails_autolink'
+gem 'doorkeeper'
+gem 'rabl'
+gem 'oj'
 
 group :development, :test do
   gem 'rspec-rails'