It's sometimes hard to quickly find where deprecated call was performed, especially in case of migrating between Rails versions. So this is an attempt to improve the call stack part of the warning message by providing caller explicitly.
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.
