0.2.9-rc0

Change Log

Not able to create zookeeper cluster resources via exporter binary (#209)
Operator can watch a configurable set of namespaces (#201)
Make kubernetes cluster domain configurable(#200)
Removed k8s.io/kubernetes(#226)
Added support for ephemeral storage (#63)
Modifying zoo.cfg on rolling restarts(#231)
Adopt controller-gen to generate crd manifests and adopt helm v3 way of managing crds(#227)
Fixed chart bug and added validation for various crd fileds(#233)