activemodel isn't a runtime dependency for actionview
Make the tests break again

We need to fix this test
Unify cattr and mattr accessors declarations
Make the release notes consistent [ci skip]

Conflicts:
	guides/source/4_1_release_notes.md
:scissors:

[ci skip]
Use alphabetic order

[ci skip]
Add documentation about the Action Dispatch salt configuration

[ci skip]
Wrap 80 columns [ci skip]
Merge pull request #11197 from gsamokovarov/unify-mattr-cattr

Unify cattr and mattr accessors declarations
Make ActionView::Tags loading tread safe
Remove deprecated cattr_* requires
Add number and range field to form helpers article

Also wrap surrounding text to 80 chars.

[ci skip] Closes #13132
Merge pull request #13138 from gsamokovarov/remove-cattr-requires

Remove deprecated cattr_* requires