Add a common label to all resources on `kube apply'

Latest pulls in other things implicitly - there's a side effect on import of latest in that you get the versions of the API we support.

----- Original Message -----
> > @@ -8,7 +8,6 @@ import (
> >  	"testing"
> >  	"time"
> >  
> > -	_ "github.com/GoogleCloudPlatform/kubernetes/pkg/api/latest"
> 
> Yeah, I was surprised too.. Maybe it was just my schizophrenic twin removing
> the line, whatever :)
> 
> Since the 'latest' pkg doesn't do anything like `init()`, can we ignore this?
> 
> ---
> Reply to this email directly or view it on GitHub:
> https://github.com/openshift/origin/pull/137/files#r18290500