Merge branch 'master' of https://github.com/tootsuite/mastodon

# Conflicts:
#	app/controllers/settings/exports_controller.rb
#	app/models/media_attachment.rb
#	app/models/status.rb
#	app/views/about/show.html.haml
#	docker_entrypoint.sh
#	spec/views/about/show.html.haml_spec.rb

db/migrate/20180211015820_create_backups.rb

@@ -0,0 +1,11 @@
+class CreateBackups < ActiveRecord::Migration[5.1]
+  def change
+    create_table :backups do |t|
+      t.references :user, foreign_key: { on_delete: :nullify }
+      t.attachment :dump
+      t.boolean :processed, null: false, default: false
+
+      t.timestamps
+    end
+  end
+end