reboot a server by name
    :param name: name given to the machine
    :param call: call value in this case is 'action'
    :return: true if successful

    CLI Example:

    .. code-block:: bash

        salt-cloud -a reboot vm_name

def reboot(name, call=None):
    '''
    reboot a server by name
    :param name: name given to the machine
    :param call: call value in this case is 'action'
    :return: true if successful

    CLI Example:

    .. code-block:: bash

        salt-cloud -a reboot vm_name
    '''
    conn = get_conn()
    node = get_node(conn, name)

    conn.modify_server_status(server_id=node['id'], action='REBOOT')

    return True