quell warnings

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4982 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activesupport/lib/active_support/breakpoint.rb

@@ -460,6 +460,11 @@ module IRB #:nodoc:
       old_CurrentContext
     end
   end
+
+  class << self
+    alias :old_parse_opts :parse_opts
+    remove_method :parse_opts
+  end
   def IRB.parse_opts() end
 
   class Context #:nodoc:

activesupport/lib/active_support/deprecation.rb

@@ -65,6 +65,9 @@ module ActiveSupport
     mattr_accessor :behavior
     self.behavior = default_behavior
 
+    # Warnings are not silenced by default.
+    self.silenced = false
+
     module ClassMethods
       # Declare that a method has been deprecated.
       def deprecate(*method_names)