support k8s 1.16

[jwandrews]

tl;dr DaemonSet, Deployment, StatefulSet, and ReplicaSet need to be migrated to apps/v1 API group.

There are a few deprecations/removals in 1.16.x that are directly related to the operator.

See here: https://kubernetes.io/blog/2019/07/18/api-deprecations-in-1-16/

[diegosucaria]

Was someone able to deploy this in 1.16? I tried replacing the deprecated apis on the operator itself without luck.