To simplify things and help our users to be more productive, we have archived the current forum and focus our efforts on helping developers on Stack Overflow. You can post new questions on Stack Overflow or join our Discord channel.
I have added a tutorial in my blog on how you can use Vaadin with IntelliJ Idea 13 to create a simple project with a custom theme and a couple of components. Feel free to read it and post your comments. The link is http://blog.devcanvas.org/?p=484