Enable public IPs even in not createExternal...

This allows the proxier to portal Public IPs even if the
createExternalLoadBalancer flag is not set.

This also fixes what appears to be a bug in the createExternalLoadBalancer path
wherein multiple PublicIPs would get truncated.
Merge pull request #2635 from thockin/public-ip

Enable public IPs even in not createExternal...
Kubernetes version v0.6.0
Kubernetes version v0.6.0-dev
Merge pull request #2698 from brendandburns/release

Release 0.6.0