Add version method to top level modules
remove references to *::VERSION, replace with *.version
Refactoring validate_missing_parameters to validate_required_parameters.
Fixed typos in activerecord CHANGELOG
Spelling 'PostgreSQL' correctly
Merge pull request #9883 from prathamesh-sonpatki/AR-Typos

Fixed typos in activerecord CHANGELOG
Don't use hash fragment for travis link
Merge pull request #9888 from zzak/patch-1

Don't use hash fragment for travis link
Autoload the AlterTable class
Merge pull request #9880 from wangjohn/refactoring_attribute_assignment

Refactoring validate_missing_parameters to validate_required_parameters.
Review some CHANGELOG entries [ci skip]
Fix documentation markup [ci skip]
unscoped works with named scope [ci skip]

Update comment to reflect that unscoped works with named scope
even when named scope is using without block form
enhance unscoped tests

Make it obvious that using unscoped with another scope
without the block works
Merge pull request #9889 from neerajdotname/unscoped

Unscoped works with other named scope even without block form
Better styles for the CSS [ci skip]
Fixed typo in activemodel/CHANGELOG
Changed 'args' to 'arguments' in test description
Merge pull request #9890 from prathamesh-sonpatki/CL-Typos

activemodel/CHANGELOG typo and change in test description
Custom index type support with :using.