Add support for kubernetes 1.13

- Remove deleted flag etcd-quorum-read
- Add support for priorityClass objects
- Replace deprecated annotation with priorityClass

Related story: PROD-26498 (PROD:26498)
Related-PROD: PROD-29036 (PROD:29036)
Change-Id: Ia8b53e8006cb0979c9e91663cf3ad52a7f6c7533
(cherry picked from commit dc5fba383ac762fc72ad15c2e861a70c9dff3586)
12 files changed