be more specific about csrf token and ajax - not whitelisted outside of jquery-rails [ci skip]
add include_hidden option to collection_check_boxes helper
Save has_one associations only if record has changes

Prevents save related callbacks such as `after_commit` being
triggered when `has_one` objects are already persisted and have no
changes.
Only use BINARY for mysql case sensitive uniqueness check when column has a case insensitive collation.
Fix breakage in XmlMini

- Boolean parsing breaks on non strings (i.e. integer 1|0)
- Symbol parsing breaks on non strings.
- BigDecimal parsing breaks due to missing require.
- Update changelog.
Fixed typo [ci skip]

singular is more suited to
change to "check out"
e-mail => email, and subject/verb agreement
add punctuation
Remove duplicate configuration option for ActiveSupport [ci skip]

Fixes rails/rails#13732
psql implementation of #index_name_exists?
`requies` => `requires`
`easiy` => `easy`
`framwork` => `framework`
Remove old comments about suppressing warnings.
Do not discard query parameters on requests that use wrap_parameters
Fixes issue with parsing whitespace content back from database - fixes #13907
Merge pull request #12769 from birkirb/master

Boolean parser blows up on a Fixnum.

Conflicts:
	activesupport/CHANGELOG.md
Merge pull request #13912 from mauricio/bug-13907

Fixes issue with parsing whitespace content back from database - fixes #13907
Merge pull request #13863 from joshjordan/jsj-dont-throw-out-get-params

Do not discard query parameters on requests that use wrap_parameters

Conflicts:
	actionpack/CHANGELOG.md