Fix to ensure that ConfigMaps volume does create file(s) in container
Fix to ensure that ConfigMaps volume does create file(s) in container

Document the fix proposed originally in:
https://github.com/kubernetes/kubernetes/issues/23392#issuecomment-209663941

Tested with:
Client Version: version.Info{Major:"1", Minor:"2", GitVersion:"v1.2.4", GitCommit:"3eed1e3be6848b877ff80a93da3785d9034d0a4f", GitTreeState:"clean"}
Server Version: version.Info{Major:"1", Minor:"2", GitVersion:"v1.2.4", GitCommit:"3eed1e3be6848b877ff80a93da3785d9034d0a4f", GitTreeState:"clean"}
aidevops/kubernetes.github.io,erictune/erictune.github.io,aidevops/kubernetes.github.io,ronaldpetty/kubernetes.github.io,rata/kubernetes.github.io,rata/kubernetes.github.io,aidevops/kubernetes.github.io,aidevops/kubernetes.github.io,erictune/erictune.github.io,rata/kubernetes.github.io,erictune/erictune.github.io,aidevops/kubernetes.github.io,erictune/erictune.github.io,ronaldpetty/kubernetes.github.io,rata/kubernetes.github.io,ronaldpetty/kubernetes.github.io,erictune/erictune.github.io,rata/kubernetes.github.io