The 'X-O lite' project releases are uploaded to the 'Maven Central' repository so Maven can retrieve them (and all their dependencies) without any extra configuration.
To use 'X-O lite' in your project add the following XML snippet in the <dependencies> element of your Maven POM:
<dependency>
<groupId>net.sf.xolite</groupId>
<artifactId>xo-lite</artifactId>
<version>1.0<version>
</dependency>