move license to /var/lib/zstack/license when upgrading
move license to /var/lib/zstack/license when upgrading

mingjian2049/zstack-utility,mrwangxc/zstack-utility,mingjian2049/zstack-utility,zstackio/zstack-utility,zstackorg/zstack-utility,live4thee/zstack-utility,zstackorg/zstack-utility,zstackorg/zstack-utility,mrwangxc/zstack-utility,zstackio/zstack-utility,mrwangxc/zstack-utility,live4thee/zstack-utility,mingjian2049/zstack-utility,zstackio/zstack-utility,live4thee/zstack-utility