Added a timeline for Direct statuses

* Lists all Direct statuses you've sent and received
* Displayed in Getting Started
* Streaming server support for direct TL

app/services/batched_remove_status_service.rb

@@ -40,6 +40,7 @@ class BatchedRemoveStatusService < BaseService
     # Cannot be batched
     statuses.each do |status|
       unpush_from_public_timelines(status)
+      unpush_from_direct_timelines(status) if status.direct_visibility?
       batch_salmon_slaps(status) if status.local?
     end
 
@@ -100,6 +101,16 @@ class BatchedRemoveStatusService < BaseService
     end
   end
 
+  def unpush_from_direct_timelines(status)
+    payload = @json_payloads[status.id]
+    redis.pipelined do
+      @mentions[status.id].each do |mention|
+        redis.publish("timeline:direct:#{mention.account.id}", payload) if mention.account.local?
+      end
+      redis.publish("timeline:direct:#{status.account.id}", payload) if status.account.local?
+    end
+  end
+
   def batch_salmon_slaps(status)
     return if @mentions[status.id].empty?