To build a jar file, change into SCXML's root directory and run "mvn package". The result will be in the "target" subdirectory.
To build the Javadocs, run "mvn javadoc:javadoc". The result will be in "target/docs/apidocs".
To build the full website, including Javadocs, run "mvn site".
Maven 2.0.8 and above is recommended.