* Decouple from ActionController and ActionMailer
  * Bring back localization support.
  * Prepare to decouple templates from the filesystem.
  * Prepare to decouple localization from ActionView
  * Fix ActionMailer to take advantage of ActionView::Path

Conflicts:
	activesupport/lib/active_support.rb

Reinstate Base#render_to_string. Introduce AbstractController#render_to_string which stringifies render_to_body.

Signed-off-by: NPratik Naik <pratiknaik@gmail.com>

Signed-off-by: NPratik Naik <pratiknaik@gmail.com>

Signed-off-by: NPratik Naik <pratiknaik@gmail.com>

Signed-off-by: NTarmo Tänav <tarmo@itech.ee>

Quote table names when casting to regclass so that capitalized tables are supported. [#2418 state:resolved]
Signed-off-by: NTarmo Tänav <tarmo@itech.ee>

Signed-off-by: NTarmo Tänav <tarmo@itech.ee>

Conflicts:
	activesupport/CHANGELOG
	activesupport/lib/active_support/core_ext/class/delegating_attributes.rb
	activesupport/lib/active_support/core_ext/hash/conversions.rb
	activesupport/lib/active_support/core_ext/module/attribute_accessors.rb
	activesupport/lib/active_support/core_ext/string/multibyte.rb
	activesupport/lib/active_support/core_ext/time/calculations.rb
	activesupport/lib/active_support/deprecation.rb

Ensure JoinAssociation uses aliased table name when multiple associations have hash conditions on the same table