adds a couple of missing AS dependencies

activesupport/lib/active_support/callbacks.rb

@@ -1,3 +1,4 @@
+require 'active_support/concern'
 require 'active_support/descendants_tracker'
 require 'active_support/core_ext/array/wrap'
 require 'active_support/core_ext/class/attribute'

activesupport/lib/active_support/core_ext/module/deprecation.rb

@@ -1,3 +1,5 @@
+require 'active_support/deprecation'
+
 class Module
   # Declare that a method has been deprecated.
   #   deprecate :foo