GetVMConfig

I run the java simple of GetVMConfig.

String[] args = { "--url", "https://10.10.57.134/sdk",
                    "--username", "root", "--password", "nantian123456",
                    "--vmname","xp001",
                    "--operation", "update", "--device",
                    "memory", "--value", "1200", "--disksize",
                    "40960", "--diskmode", "persistent" };