Added CLI for template processing

Config file means "thing I want to process".  A template is lowercase config.

> On Sep 18, 2014, at 6:14 AM, Michal Fojtik <notifications@github.com> wrote:
> 
> In pkg/cmd/client/client.go:
> 
> > @@ -33,6 +33,7 @@ func NewCommandKubecfg(name string) *cobra.Command {
> >  	flag.BoolVar(&cfg.PreventSkew, "expect_version_match", false, "Fail if server's version doesn't match own version.")
> >  	flag.StringVarP(&cfg.HttpServer, "host", "h", "", "The host to connect to.")
> >  	flag.StringVarP(&cfg.Config, "config", "c", "", "Path or URL to the config file.")
> > +	flag.StringVarP(&cfg.TemplateConfig, "template_config", "t", "", "Path to the config template file.")
> Because -c is 'Path or URL to the config file'. Where -t is just a path to template file. See @fabianofranz comments.
> 
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