test_06_destroy_vm in test/integration/smoke/test_vm_life_cycle.py fails because the expunge parameter is set to true, this also cause tests that execute in test_vm_life_cycle.py after this test to fail.

Signed-off-by: Nitin Mehta <nitin.mehta@citrix.com>
    CLOUDSTACK-6278
    Baremetal Advanced Networking support

    add missing license header