Modified Command in README and add Color Output

Sorry my bad. I was thinking that using pipe with curl could run some
corrupted file without known. I read an article about this topic but I
can't find it. Anyway, ignore me. I like the color parts.
On Thu, Nov 6, 2014 at 12:40 AM wzxjohn <notifications@github.com> wrote:

> In README.md:
>
> >
> > -    curl -O https://raw.githubusercontent.com/PaloAltoNetworks-BD/WireLurkerDetector/master/WireLurkerDetectorOSX.py
> > +    curl -sL https://raw.githubusercontent.com/PaloAltoNetworks-BD/WireLurkerDetector/master/WireLurkerDetectorOSX.py | python
>
> Please read the article carefully. @fanzeyi <https://github.com/fanzeyi>
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/PaloAltoNetworks-BD/WireLurkerDetector/pull/8/files#r19931972>
> .
>