ServiceExport support, and supercluster.local dns support

This is the same as v0.4.0, but for now versions of submariner and lighthouse need to be aligned.

Lighthouse 0.3.0

• Removes the dependency on Kubefed
• Adds a new Lighthouse Agent that runs on every data cluster
• Removes the lighthouse controller

Release 0.1.0 of Lighthouse

Release 0.1.0 of lighthouse supports following:

1. Auto-federate namespaces when new services are created
2. Use globalIp for services annotated with it.
3. misc minor fixes

Release version 0.0.2

Don't federate openshift namespaces

Add "openshift" to exclusion list of namespaces
that are not federated.

Initial release

Merge pull request #31 from roytman/mod

fix dependency error - revision is shorter than canonical