Proguard is available from: http://proguard.sourceforge.net/
Proguard >= 4.7beta1 is required

Open bonzaiengine.pro with a text editor and edit the path to rt.jar from a java jre.

Export all bonzai engine binaries in a jar named bonzaiengine-beforeproguard.jar in this folder
and run the script:
	java -jar D:/proguard4.7beta1/lib/proguard.jar @bonzaiengine.pro -verbose

Check for any errors, and if suceed bonzaiengine.jar and bonzaiengine.map will be produced.
The map file contains the mapping between original and obfuscated method / fields.
