This library is also deployed to maven central repository so you dont have to include it manually. (SNAPSHOTs are deployed to sonatype repository check the wiki for more info)
check Dependencies in the wiki for getting the correct libraries which are needed to use SilverTunnel-NG Netlib (or download them in one zip here).
Download the netlib-0.0.2-SNAPSHOT_2013-12-03.zip (this zip contains also the sources and javadoc) add them to your classpath and start using them.
Sample code can be found in the wiki or checkout the Unittests link.