Upgrade to Rails 5.0.0.1

config/application.rb

@@ -1,4 +1,4 @@
-require File.expand_path('../boot', __FILE__)
+require_relative 'boot'
 
 require 'rails/all'
 
@@ -22,9 +22,6 @@ module Mastodon
     # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]
     # config.i18n.default_locale = :de
 
-    # Do not swallow errors in after_commit/after_rollback callbacks.
-    config.active_record.raise_in_transactional_callbacks = true
-
     config.paths.add File.join('app', 'api'), glob: File.join('**', '*.rb')
     config.autoload_paths += Dir[Rails.root.join('app', 'api', '*')]