Conflicts:
	actionmailer/lib/action_mailer/base.rb
	activesupport/lib/active_support/configurable.rb
	activesupport/lib/active_support/core_ext/module/deprecation.rb
	guides/source/action_controller_overview.md
	guides/source/active_support_core_extensions.md
	guides/source/ajax_on_rails.textile
	guides/source/association_basics.textile
	guides/source/upgrading_ruby_on_rails.md

While resolving conflicts, I have chosen to ignore changes done in
docrails at some places - these will be most likely 1.9 hash syntax
changes.