add kubectl.sh

On Thu, 2014-10-16 at 12:22 -0700, bgrant0607 wrote:
> In cluster/kubectl.sh:
> 
> > +  {
> > +    echo "It looks as if you don't have a compiled kubectl binary."
> > +    echo
> > +    echo "If you are running from a clone of the git repo, please run"
> > +    echo "'./build/make-client'. Note that this requires having Docker installed."
> > +    echo
> > +    echo "If you are running from a binary release tarball, something is wrong. "
> > +    echo "Look at http://kubernetes.io/ for information on how to contact the "
> > +    echo "development team for help."
> > +  } >&2
> > +  exit 1
> > +fi
> > +
> > +# When we are using vagrant it has hard coded auth.  We repeat that here so that
> > +# we don't clobber auth that might be used for a publicly facing cluster.
> > +if [ "$KUBERNETES_PROVIDER" == "vagrant" ]; then
> 
> But I can merge this if you don't want to bother fixing this.

Or you can cheat and fix it in kubecfg.sh at the same time