Tide/MahApps.Metro — pull request #3 by kiangtengl (2014-03-20 13:26:01+00:00)
Title: Added support for Dark Themes in RibbonSplitButton on mouseover.

Now uses DynamicResource WhiteBrush instead of White to set the background.

![image](https://f.cloud.github.com/assets/574734/2472253/2abe7948-b033-11e3-841d-8e026005e017.png)

See #2