clearsightstudio/ProMotion — pull request #505 by markrickert (2014-07-12 01:07:41+00:00)
Title: Support tint_color on toolbar buttons

Complete with passing specs! <3

example usage:

```ruby
set_toolbar_items [{
system_item: :flexible_space
},{
title: "Calculate Best Deal",
action: :start_calculations,
tint_color: UIColor.whiteColor
},{
system_item: :flexible_space
}]
self.navigationController.toolbar.barTintColor = rmq.color.purple
```

creates this:

![screen shot 2014-07-11 at 8 07 18 pm](https://cloud.githubusercontent.com/assets/139261/3560264/e71816d6-0960-11e4-8cf0-4bf408e8a376.png)