This matches our behavior in other cases where useful enumerable methods
might have a different definition in `Relation`. Wanting to actually
enumerate over the records in this case is completely reasonable, and
wanting `.sum` is reasonable for the same reason it is on `Enumerable`
in the first place.

Add openssl_verify_mode and sync other smtp_settings with API docs [ci skip]

Update documentation for ActiveRecord::Migration#remove_index

assert_file understands paths with special characters

Let WITH (CTE) queries be explainable

Conflicts:
	activerecord/CHANGELOG.md

correct example output of references migration [ci skip]

this behavior was changed in 99a6f9e6

Fixes #20626

Add RDoc about scope option on distance_of_time_in_words

[ci skip]

fixes #20042

 Added documentation about passing custom disallowed types to Hash#from_xml [ci skip]

fix railties tests

updates caching guide to reflect current Rails capabilities [ci skip]

remove `Rails::Rack::Debugger` from guides [ci skip]

Rails::Rack::Debugger was removed in 93559da4

ContentLength is not part of the rack SPEC since rack/rack@86ddc7a6ec68d7b6951c2dbd07947c4254e8bc0d
If you want it, just add it as a middleware in your config.

This reverts commit 0b339787, reversing
changes made to 56d52e37.

As pointed out on the PR, this will hide development mistakes too, which
is not ideal.

Update bundler to v1.10.4

Use single quote in Railties generators Gemfile [ci skip]

Catch InvalidURIError on bad paths on redirect.

Handle URI::InvalidURIError errors on the redirect route method, so it
wont raise a 500 if a bad path is given.

Fix descriptions of databases.rake [ci skip]

revert create and drop task descriptions

Fix the comment about attr_reader of headers [ci skip]

XML documents that are too deep can cause an stack overflow, which in
turn will cause a potential DoS attack.

CVE-2015-3227

Fixes CVE-2015-3226

raise ActiveModel::MissingAttributeError when trying to access a relationship without the foreign key attribute

raise ActiveModel::MissingAttributeError when trying to access a relationship without the foreign key attribute

fixes regression reported on #20253

ActiveRecord::Base#[] was not used cause of 8b954200

Small refactor on db:reset

People should be free to mutate the header object, but not to set a new
header object.  That header object may be specific to the webserver, and
we need to hide it's internals.