I want to use OpenCV library in my app with Android Studio. I followed instructions found [here](http://blog.hig.no/gtl/2014/08/28/opencv-and-android-studio/) but I get error 

> 
> Configuration with name 'default' not found
> 
> 
> 

What can be wrong?

I use Android Studio 1.0 with gradle 2.2.1.