'Get a list of server actions.
The listing result is an object with property "items". Each item is
an action taken against the given server.
Example GET:
http://localhost/api/nova/servers/abcd/actions/'

@rest_utils.ajax()
def get(self, request, server_id):

    actions = api.nova.instance_action_list(request, server_id)
    return {'items': [s.to_dict() for s in actions]}
