Fix logs name consistency.

This reverts commit 5559a2ae.

Reason: These are for selecting multiple objects and there isn't a need
to club them with the selecting single objects section, as discussed
with the author.

This reverts commit 724d6fa6.

Reason: This is already documented in another section, albeit without
the arguments examples. Let's add them in another commit in the
appropriate sections

[ci skip]

Add a railtie's changelog entry about runner hook.

Some of the warnings removed from "railties"

Fix human attribute_name to handle deeply nested attributes

True, False, and Nil should be represented in as_json as themselves.

[Guides] refactor rakefile to have a :guides namespace and a task that shows help

(Try again) Fix #5847 and #4045.

JRuby return different Array for module contents.

Test was failing against JRuby. 

It loads like [Constant3 Constant1]

Exceptions like Interrupt & NoMemoryError should not be rescued in tests.

update Gemfile template to 1.9 hash syntax

Decoupling ActiveSupport from ActionView

Add tests to delete by fixnum or string id with has many through associations