Uses environmental variables to write a *.properties file for KCL's MultiLangDaemon

def write_properties_from_env(cls, path):
        '''
        Uses environmental variables to write a *.properties file for KCL's MultiLangDaemon
        '''
        with open(path, 'w') as f:
            f.write("# Autogenerated by kclboot v%s on %s\n\n" % (PACKAGE_VERSION, datetime.now()))
            for env_var, prop_var in ENV_TO_PROPERTY.items():
                env_value = os.environ.get(env_var)
                if env_value:
                    f.write("%s=%s\n" % (prop_var, env_value))