CollectionHelpers now accepts a readonly option
Missing 'are' in note - [ci skip]

This is in the note at the end of Section 2: Controller Naming Convention.  [ci skip]
Merge pull request #14725 from afshinator/patch-1

Missing 'are' in note - [ci skip]
use an array for bind params to simplify substitution
Move tests for deep_dup and duplicable to object directory
Add a changelog entry for #14546 [ci skip]
Remove surplus period from assertion messages
Update documentation to use Rails.application instead

References to ``AppName::Application` removed in favour of ``Rails.application``
as generated with a new rails 4.1 app.

[ci skip]
Merge pull request #14727 from robin850/patch-17

Add a changelog entry for #14546 [ci skip]
Merge pull request #14718 from mcmorgan/update-documentation-to-match-generated-config

Update documentation to use Rails.application instead
Merge pull request #14722 from maurogeorge/mg-readonly-collection

CollectionHelpers now accepts a readonly option
Fix spelling errors and grammar issues

Including replacing a few "smart quotes" with regular quotes (' and "),
for consistency.
[ci skip]
Merge pull request #14726 from akshay-vishnoi/structural-change

Move tests for deep_dup and duplicable to object directory
Merge pull request #14592 from laurocaetano/equality_between_relation_and_collection_proxy

The comparison between `Relation` and `CollectionProxy` should be consistent.

Conflicts:
	activerecord/CHANGELOG.md
[ci skip] Improve doc, fix grammatical issue
[ci skip] Use plain underscore instead of "\_".
Write the failing test case for concurrent counter cache
Make counter cache decrementation on destroy idempotent
Merge pull request #14732 from JuanitoFatas/doc/patch1

[ci skip] Use plain underscore instead of "\_". [ci skip]
Disable assest cache store in docs [ci skip]