Automatic merge from submit-queue To add service account informer @deads2k this PR adds ServiceAccount informer as discussed [here](https://github.com/openshift/origin/pull/11330#issuecomment-253216303)
Automatic merge from submit-queue To add service account informer @deads2k this PR adds ServiceAccount informer as discussed [here](https://github.com/openshift/origin/pull/11330#issuecomment-253216303)