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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 -->

cpu:
                description:
                    - "Number of the host CPU."
            vcpu:
                description:
                    - "Number of the virtual machine CPU."
        version_added: "2.5"
    soundcard_enabled:
        description:
            - "If I(true), the sound card is added to the virtual machine."
        type: bool
        version_added: "2.5"
    smartcard_enabled:
        description:
            - "If I(true), use smart card authentication."
        type: bool
        version_added: "2.5"
    io_threads:
        description:
            - "Number of IO threads used by virtual machine. I(0) means IO threading disabled."
        version_added: "2.5"
    ballooning_enabled:
        description:
            - "If I(true), use memory ballooning."
            - "Memory balloon is a guest device, which may be used to re-distribute / reclaim the host memory
               based on VM needs in a dynamic way. In this way it's possible to create memory over commitment states."
        type: bool
        version_added: "2.5"
    numa_tune_mode:
        description: