update to 0.4.0 for cadvisor
Remove all code dealing with cadvisor Percentiles

This was removed upstream beween cadvisor 0.3.0 and 0.4.0
Don't force a host port through kubecfg
Merge pull request #1395 from thockin/kubecfg

Don't force a host port through kubecfg
Merge pull request #1396 from eparis/update-cadvisor

Update cadvisor to 0.4.0
Adding GetEndpoints method to the client EndpointsInterface