Return a dictionary of parameter values that configure the pipeline

    parameter_values_from_pillars
        The pillar key to use for lookup

    parameter_value_overrides
        Parameter values to use. Will override values read from pillars.

def _parameter_values(parameter_values_from_pillars, parameter_value_overrides):
    '''
    Return a dictionary of parameter values that configure the pipeline

    parameter_values_from_pillars
        The pillar key to use for lookup

    parameter_value_overrides
        Parameter values to use. Will override values read from pillars.
    '''
    from_pillars = copy.deepcopy(__salt__['pillar.get'](parameter_values_from_pillars))
    from_pillars.update(parameter_value_overrides)
    parameter_values = _standardize(from_pillars)
    return _properties_from_dict(parameter_values, key_name='id')