##### SUMMARY

Add field to ovirt_host_network to configure "Custom Properties" (from oVirt) 

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME

ovirt_host_network

##### ADDITIONAL INFORMATION
<!--- Describe how the feature would be used, why it is needed and what it would solve -->
This feature will be used to configure specific options during host's network setup (e.g. custom proprieties for FCoE)

```yaml
- ovirt_host_network:
    name: myhost
    interface: eth0-fcoe
    networks:
      - name: myvlan1
      - name: myvlan2
    custom_proprieties:
      - type: fcoe
        options: "enable=yes,dcb=no,auto_vlan=yes"
```
return otypes.Host()
    def update_address(self, attachments_service, attachment, network):
        
        
        for ip in attachment.ip_address_assignments:
            if str(ip.ip.version) == network.get('version', 'v4'):
                changed = False
                if not equal(network.get('boot_protocol'), str(ip.assignment_method)):
                    ip.assignment_method = otypes.BootProtocol(network.get('boot_protocol'))
                    changed = True
                if not equal(network.get('address'), ip.ip.address):
                    ip.ip.address = network.get('address')
                    changed = True
                if not equal(network.get('gateway'), ip.ip.gateway):
                    ip.ip.gateway = network.get('gateway')
                    changed = True
                if not equal(network.get('netmask'), ip.ip.netmask):
                    ip.ip.netmask = network.get('netmask')
                    changed = True
                if changed:
                    if not self._module.check_mode:
                        attachments_service.service(attachment.id).update(attachment)
                    self.changed = True
                    break
    def has_update(self, nic_service):