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.