To install rigid-body simulator dependencies,
	ant install_deps

To build the simulator,
	ant

To rebuild the simulator,
	ant rbs

To rebuild the simulator with warnings,
	ant rbs_wall

To run the simulator,
	bin/runsim.sh

The simulator contains some demonstration files located in etc/configs,
to use one copy the desired demonstration file to etc/config.txt.

To read the log file from a simulation,
	bin/readlog.sh

To remove the built simulator files,
	ant clean_rbs

To remove the dependency files,
	ant clean_deps

To remove all generated files,
	ant clean

The source code is located in 'src,' the main method is contained in
RigidBodySimulator.java.  The defense document is defense.pdf.  The defense
presentation is present.pdf.  The simulator requires java runtime environment
1.5 or greater.
