1.3.0-RC1

refact(travis): bump minikube version v1.4.0 to use k8s v1.16.0 (#40)

- update k8s version 1.16.0
- update k8s API's kind for statefulset and daemontset to
  use `apps/v1`

Signed-off-by: prateekpandey14 <prateek.pandey@openebs.io>