Vaadin application in a runnable Jar file

This version uses embedded Jetty server to execute the application.

To test this out run:

git clone https://github.com/samie/runnable-jar-vaadin.git
cd runnable-jar-vaadin
mvn clean package
./target/runnable-jar-vaadin-1.0-SNAPSHOT &
open http://localhost:8080/