Work on lepton scale factors

Carrying on from Sergey's work.
Correct.

On 22/09/2014 15:59, Sergey Senkin wrote:
>
> In src/lepton_scale_factors/read_BLT_ntuple.py:
>
> >
> >      (options, args) = parser.parse_args()
> > +
> > +    if ( options.doTrigger and options.doID ) and not ( options.doTrigger and options.doID):
>
> I think it should be:
>
> |if ( options.doTrigger and options.doID ) or not ( options.doTrigger or options.doID):
> |
>
> also, options.doID -> options.doIDandISO?
>
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