<!--- Verify first that your feature was not already discussed on GitHub -->
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##### SUMMARY
<!--- Describe the new feature/improvement briefly below -->
Add 'restart' state or restart option to the `ovirt_vm` module.

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME
<!--- Write the short name of the module, plugin, task or feature below, use your best guess if unsure -->
ovirt_vm

##### ADDITIONAL INFORMATION
<!--- Describe how the feature would be used, why it is needed and what it would solve -->

<!--- Paste example playbooks or commands between quotes below -->
```yaml

```

<!--- HINT: You can also paste gist.github.com links for larger files -->

wait(
                service=vm_service,
                condition=lambda vm: vm.status in [otypes.VmStatus.DOWN, otypes.VmStatus.UP],
            )
def main():
    argument_spec = ovirt_full_argument_spec(
        state=dict(type='str', default='present', choices=['absent', 'next_run', 'present', 'registered', 'running', 'stopped', 'suspended', 'exported']),
        name=dict(type='str'),
        id=dict(type='str'),
        cluster=dict(type='str'),
        allow_partial_import=dict(type='bool'),
        template=dict(type='str'),
        template_version=dict(type='int'),
        use_latest_template_version=dict(type='bool'),
        storage_domain=dict(type='str'),
        disk_format=dict(type='str', default='cow', choices=['cow', 'raw']),
        disks=dict(type='list', default=[]),
        memory=dict(type='str'),
        memory_guaranteed=dict(type='str'),
        memory_max=dict(type='str'),
        cpu_sockets=dict(type='int'),
        cpu_cores=dict(type='int'),
        cpu_shares=dict(type='int'),
        cpu_threads=dict(type='int'),
        type=dict(type='str', choices=['server', 'desktop', 'high_performance']),
        operating_system=dict(type='str'),
        cd_iso=dict(type='str'),