Add the domains definitions and domains.
Add the domains and the labels on the virtualMachine model.
Add comments on the domains definition.
functionnal cancel on reference
Improve the vierw helper to be able to deal with meta data.
Add the defalut model property
Add the test on the model
Add the metadata properties on the virtualMachine.
Add the view helper good behaviour with required attribute.
Add the domain behaviour on the reference.
Add the buttons icons with fonctawsome.