File list (Check if you may need any files):
jbpm4-spring\.classpath
............\.project
............\bin
............\lib
............\src\applicationContext.xml
............\...\hibernate.properties
............\...\jbpm.cfg.xml
............\...\main\customers\Customer.java
............\...\....\.........\CustomerService.java
............\...\....\customers
............\...\....\helloworld\Saluter.java
............\...\....\helloworld
............\...\....\Main.java
............\...\main
............\...\resource\swing.jpdl.xml
............\...\........\swing.png
............\...\resource
............\src
jbpm4-spring