prepare release v2.0.0

Signed-off-by: Madhu Rajanna <[email protected]>

Prepare for release v1.2.2

Signed-off-by: Madhu Rajanna <[email protected]>

Added E2E for rbd nodeplugin restart

Signed-off-by: Madhu Rajanna <[email protected]>
(cherry picked from commit 3f8a073)

Merge pull request ceph#596 from Madhu-1/fix-img-push

Fix readme

Merge pull request ceph#405 from humblec/driver-version

Driver version updated to 1.1.0

Merge pull request ceph#136 from rootfs/cephfs-mon

allow ceph mon stored in secret so when mon changes, cephfs driver can get latest mons and override old ones