MahApps/MahApps.Metro — pull request #1139 by punker76 (2014-03-09 21:10:06+00:00)
Title: metro circle button demo fix

fixes the button demo

![6nx28giopkoql0ywrknurx6yq5d1y](https://f.cloud.github.com/assets/658431/2369110/2b80909e-a7cf-11e3-86b2-3c5f6341f2fd.jpg)