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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 -->

headless_mode:
                description:
                    - If I(true) disable the graphics console for this virtual machine.
                type: bool
            protocol:
                description:
                    - Graphical protocol, a list of I(spice), I(vnc), or both.
        version_added: "2.5"
    exclusive:
        description:
            - "When C(state) is I(exported) this parameter indicates if the existing VM with the
               same name should be overwritten."
        version_added: "2.8"
        type: bool
    export_domain:
        description:
            - "When C(state) is I(exported)this parameter specifies the name of the export storage domain."
        version_added: "2.8"
    export_ova:
        description:
            - Dictionary of values to be used to export VM as OVA.
        suboptions:
            host:
                description:
                    - The name of the destination host where the OVA has to be exported.
            directory:
                description:
                    - The name of the directory where the OVA has to be exported.
            filename:
                description: