'com.github.vaadin-for-grails:vaadin7:2.2'
<dependency>
<groupId>com.github.vaadin-for-grails</groupId>
<artifactId>vaadin7</artifactId>
<version>2.2</version>
</dependency>
<dependency org="com.github.vaadin-for-grails" name="vaadin7" rev="2.2"/>
"com.github.vaadin-for-grails", "vaadin7", "2.2"