Restructure classes tree
Correct class names
Add initd script, add create_script command for engine
Pass script to initd_engine.install instead of name/command
Pass initd script to monit.install instead of usless command and "scripts_path"
Implment engine.uninstall
Extract unlink/log commands into remove_file method
Add update-rc.d commands
Add start, stop stubs
Add start, stop engine stubs
Introduce each_file iterator
Implement start/stop command on initd_engine
Add start/stop subcommands
Set system_export_path correctly
use each_file for cleanup