Only ignore .jar files in target/
Ship JAR files for dependencies

The following two dependencies are not available through Maven repos
and are thus shipped with this source code distributions.
Suggestion for cleaner solutions are welcome!

* OpenFlowJ:
  https://openflow.stanford.edu/static/openflowj/releases/1.0.2/openflowj-1.0.2.jar
* PCAPsimpleparser:
  http://sourceforge.net/projects/pcapsimpleparse/