rails/rails — pull request #10408 by patricksrobertson (2013-05-02 00:13:15+00:00)
Title: Convert ActiveModel to 1.9 hash syntax.

I also attempted to fix other styleguide violations such as
```{ a: :b }``` over ```{a: :b}``` and ```foo(b: 'bar')``` over ```foo( b: 'bar' )```.